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    2,000 electrical project website 份搜到的工作,货币单位为 HKD

    I need a comprehensive website created for my small handyman business which offers plumbing, electrical and carpentry services. Specific features the website needs to include are: - An online booking system that allows customers to schedule our services. - Detailed descriptions and visuals for each service we offer - plumbing, electrical, and carpentry. The ideal freelancer for this job would have experience building e-commerce websites, particularly with a booking feature. Proficiency in web design to accurately capture the essence of my services is also needed.

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    I need a skilled and experienced fabricator to create a steel enclosure panel for me. - Material: The enclosure panel should be made from steel. - Function: The primary function of this panel will be to serve as an electrical housing. - Finish: The enclosure panel should be finished with a powder coating. The ideal freelancer for this task should have a solid understanding of metal fabrication, particularly working with steel, and experience in creating custom electrical housings. It is important that they are able to adhere to the specified finish requirements, in this case, a powder coating.

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    Texas State Registered PE 已经结束 left

    I am seeking a registered Texas PE (Professional Engineer) or Licensed Firm to endorse Structural and Electrical drawing that has been completed for a Steel Modular Building.

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    We require Electrical Engineers to carry out lighting study to the student accomodation Design works for various projects.

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    I am looking for an expert in electrical design to assist me with a project I have. The scope and areas of expertise are quite broad and I'm open to input from professionals in the field. The ideal candidate should have experience in: - Circuit design - Power distribution - Control systems The end goal of this project is to maximize the efficiency of the electrical systems we have in place. This may involve improving energy efficiency, upgrading existing systems, or designing new systems from scratch. I'm looking for someone who is detail-oriented, has excellent problem-solving skills, and a good understanding of electrical engineering principles. The ability to work independently and communicate effectively is also key. If you have experie...

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    ...torque of hub bearing can be converted in to ampere or other which will clearly show the power consumption . For your reference I have attached herewith the hub bearing , which required to be tested ; in attached document. Hub bearings have two flanges . I want you to fix one flange by some method and rotate other flange at 300 rpm or less . Scope of the project : 1. Detailed component and assembly drawing of the machine 2. Complete electrical and oscilloscope details . 3. Complete details as to how this machine will work and its functioning 4. Machine should be capable of working on single phase 5. Machine should not be big and can be easily transportable. 6. Over all cost of the machine should be around $1000.{One thousand dollars ] Ideal Skills: - Mechanical Engine...

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    I'm in need of an electrical engineer with expertise in lighting layouts that optimize the use of space. This project involves a small apartment of 180 sqm, which requires creative positioning and installment of various fixtures, based on a furniture layout. Key Requirements: - Proficiency in crafting bespoke solutions for small spaces. - Experience with diverse lighting fixtures like spotlights, hanging lights, and rail lights. - An in-depth understanding of how to utilize each type of light for the correct purpose in a residential setting.

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    Greetings, We are assembling a dynamic team and currently seeking 4-5 proficient Electrical Engineers to join us for a long-term collaboration. This opportunity is ideal for individuals with expertise in electronics, power systems, and communication systems. Key Requirements: - Strong command over MATLAB for data analysis, simulation, and modeling. - Proficiency in VHDL and Verilog for hardware description and digital circuit design. - Experience with multisim or similar simulation software for circuit analysis and design verification. This collaboration offers an exciting chance to work on diverse projects spanning electronics, power systems, and communication systems. We are committed to fostering a collaborative environment that encourages innovation and professional growth. ...

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    We require an FMEA expert. Our focus is on electrical and mechanical hardware systems like circuit boards, power supply, control systems, and communication systems. Your role requires you to create a detailed questionnaire and out of it to create a comprehensive analysis document for managuing risks. The ideal candidate must posess: - Proven experience conducting multiple FMEA activities in the past 24 months (provide evidence) - Specialised knowledge on electrical/ mechanical hardware analysis - Proficiency in examining circuit boards, power supply units, and control systems Kindly note that those without proof of previous FMEA execution need not apply. We seek someone who can help us entirely avoid or reduce risk. Your proficiency in identifying, analysing, and mitigati...

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    I'm in need of a skilled electrical engineer who can handle the installation of an electrical system, focusing primarily on security systems. The successful candidate should have experience in: - Electrical system installation - Security systems installation - Strong knowledge of electrical components and their purpose This project is focused on a single property, which may be residential, commercial, or industrial. I'm seeking a professional who can execute this task efficiently and with high attention to detail.

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    ...plans for a unique project. This involves a 7-bedroom penthouse loft ideally designed with an open concept and adding a spa in the master bedroom. Additionally, the plan should include a downstairs 'white box' designed to house a cluster of small restaurants and function as a food court. This requires comprehension of space organization, food storage, and preparation areas' designs. Moreover, the project calls for outdoor landscape designs that align with a modern and contemporary style, making the property visually appealing and inviting. Ideal Skills & Experience: - Architecture and interior design - Experience in commercial kitchen/food court design - Landscape design with a contemporary style focus - Mechanical engineering including HVAC, plumbi...

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    We are seeking an experienced electrical engineer to design a multi-output power supply for a portable AC servo drive. The ideal candidate will have expertise in power electronics and PCB design, with a proven track record of creating efficient and compact power solutions. Input Specification: 220Vac. Output Specifications: Two sections are required: Power Ground Circuit: +15V, +5V. Lower Ground (controller) Circuit: +12V, +5V, +3.3V, -12V. Ensure that both grounds are isolated from each other. The design must be lightweight and compact, suitable for a portable device. We need the design to be highly reliable and efficient, with considerations for safety and durability. Job Responsibilities: 1) Design: Develop a schematic and board layout for a multi-output power supply that mee...

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    I'm in need of a skilled electrical engineer to help me set up a radio-based surveillance system in my property. - I have yet to decide whether the system will be placed indoors, outdoors or both so your prior experience in both environments is desirable. - The project does not have a predetermined number of areas or rooms that need covering, so I'm looking for someone who can help me plan and implement the system in the most efficient and effective way. Ideal candidate should have experience in: - Design and installation of surveillance systems, particularly radio-based systems. - Ability to work with both indoor and outdoor security setups. - Planning and executing a system across multiple areas. Your insights and recommendations regarding the best way to pr...

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    I'm seeking a professional for a commercial load calculation targeted specifically at multifamily/commercial-style condos. The main goal is to accurately determine the electrical load requirements of a building exceeding a total area of 10,000 sqft. Important skills for the job: - Strong understanding of electrical systems - Expertise in energy load calculations - Familiarity with commercial multi-family condos Your responsibilities would include: - Assessing the entire electrical load of the condo - Identifying the electrical needs and requirements - Ensuring the assessment is done accurately and efficiently Previous experience of similar projects would certainly be advantageous. Knowledge of current building codes and standards is a must...

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    ...Standard Operating Procedure (SOP) developed for the electrical installation of IT equipment in our facility. The SOP must cover the standardization of electrical setups for: - Desktop computers - Servers - Networking equipment The SOP must adhere to and align with both the International Electrotechnical Commission (IEC) standards and Occupational Safety and Health Administration (OSHA) regulations. The sources of Power are: State Electricity Company, Generator and Solar Panel. The level of standardization required is advanced. This means that the SOP should be detailed and specific, leaving no room for ambiguity or deviation from the set standards. Ideal skills and experience for this job include: - Proven experience in electrical installations for IT equipme...

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    ...company website here for more information: Opportunity type: • Full Time/Part Time: Full-Time • Project Only Hire: No • Visa Sponsorship Available Firmware Team: Developing Linux application [Main Responsibilities] • Embedded Linux • Linux applications (such as IEC 61850 communication stack, PTP stack, etc.) • Test & Debugging the above [Required Experience and Qualifications] • Education: Above Undergrads. (Including community college) If you are a foreigner, above the master. • Experience: Above 3 years of experience. [Preferred Experience and Qualifications] • Have experience in embedded Linux (Required) • Have experience in embedded QT(Required) • Have experience in IEC 61850 standard (Pr...

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    ...Details wall, roof, windows, internal scale 1:10 Sections scale1:50 sections Milestone 2 – 65% of the package: window schedule, bathrooms layout, fences, scale 1:50 stair details, screen details 1:20 / 1:10 Milestone 3 – 90% of the package: updated Floor plans, RCP and electrical plans, setout plans, elevations, remaining details Milestone 4 – 100% completion of drawings Freelancers must possess skills in architectural construction detailing for residential projects. NON ARCHITECTURAL DRAFSTMAN AND DESIGNERS SHOULD NOT BID. EXPERIENCE IN ARCHITECTURAL DRAFTING AND CONSTR...

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    ...professional who can design and assemble a custom made, electrically driven actuator with a control circuit. The specifics of the project include: - The actuator should be capable of providing linear motion. So, an understanding of linear motion systems and mechanisms is crucial. - The actuator must be able to handle a maximum load of 10-50 kg. - The driving mechanism for the actuator should be electrical. Therefore, the freelancer should possess strong knowledge in this field; experience in dealing with similar electric actuator systems would be a significant plus. - The design of a control circuit for managing the actuator's functions is also an integral part of this project. Exceptional skills in circuit theory and design are required. If you fit th...

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    Electric Circuit Redraw 已经结束 left

    I require a skilled drafter to redo my electric circuit from a JPEG image file. The image I have isn't clear and could do with your expert touch. - The task involves a high-level overview of the circuit...to redo my electric circuit from a JPEG image file. The image I have isn't clear and could do with your expert touch. - The task involves a high-level overview of the circuit. - No need to add details or annotations to components. - The final version should be delivered in PDF format. Ideally, you will have an electrical background with strong drafting skills and the ability to interpret and redraw an unclear image. Your attention to detail will come handy in ensuring the project is perfectly executed. Please ensure that the final circuit is clearly visible an...

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    My project is a three-level mixed-use building with a basement. Two levels consist of two commercial spaces each, while the third level comprises an apartment with two bedrooms and two bathrooms. It is situated on a small plot of land measuring 200 square meters, and I require someone capable of designing the lighting, electrical, hydraulic, and sanitary installations in accordance with Mexican regulations.

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    I'm seeking an expert in both mechanical and electrical engineering to help me bring my product idea to life. Key Tasks: - Develop a prototype for a home-use product that ensures energy efficiency - Design the product for manufacturing Ideal Expertise: - Proven experience in both mechanical and electrical engineering - Skilled in product design and development, particularly for home use applications - Understanding of energy efficiency principles - Previous experience in developing prototypes for manufacturing I would love to hear your thoughts and suggestions on how to best create this product and make it market-ready. Thank you!

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    I have a hub dynamo installed on my bike and I'm looking for someone to wire it up to power both front and rear lights, as well as a USB charging port. I'd like the setup to be ready ASAP. Located South London. Key requirements include: - ...Located South London. Key requirements include: - Wiring the hub dynamo to power both lights and a USB charging port - Ensuring the lights are correctly set up for front and rear - Installing the USB charging port in a convenient and accessible location It's important that the setup is both functional and durable. I'm looking for a professional who has experience working with bike dynamos and electrical systems. Experience with USB charger installations is a plus. Needs soldering experience and be able to do

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    ...construction projects. These projects are distinct and require a thorough understanding of the construction industry and its associated costs. Key Responsibilities: - Accurately estimate material costs for each project. - Clearly outline expected labor costs for the projects. - Provide a comprehensive breakdown of the costs involved for each project. - Ensure that the costs are competitive and realistic for the current market. Ideal Skills and Experience: - Proven experience in construction cost estimation - Proficiency in estimating various materials such as concrete, electrical work, plumbing, carpentry, painting, general labor and roof tiling - Understanding of construction labor costs - Strong analytical skills and attention to detail. If you have a backgroun...

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    We require an FMEA expert. Our focus is on electrical and mechanical hardware systems like circuit boards, power supply, control systems, and communication systems. Your role requires you to create a detailed questionnaire and out of it to create a comprehensive analysis document for managuing risks. The ideal candidate must posess: - Proven experience conducting multiple FMEA activities in the past 24 months (provide evidence) - Specialised knowledge on electrical/ mechanical hardware analysis - Proficiency in examining circuit boards, power supply units, and control systems Kindly note that those without proof of previous FMEA execution need not apply. We seek someone who can help us entirely avoid or reduce risk. Your proficiency in identifying, analysing, and mitigati...

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    As a consultant, I am seeking experienced architectural and interior design freelancers to create a comprehensive set of fit-out drawings for my ret...drawings should cover: - Floor Plans: Detailed outlines showing the setup of the space. - Furniture Layout: Depiction of where furniture will be situated. - Electrical and Plumbing Details: Information on wiring, switch placement, plumbing pipes and fixtures. The layout needs to adhere to my standard layout, previous experience in retail project is a plus. Ideal freelancers will possess a solid understanding of retail design and functionality. The ability to convey intricate details in a clean, readable format is paramount. The desired aesthetic is our standard layout, the specific details of which will be provided when the ...

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    I have a small product that I've created, and I'm looking for a highly-de...Requirements: - I need the 3D model to be of a small size - The model needs to be highly detailed, featuring textures and materials - The product is similar to a glove, and there are no moving parts, electrical components, or waterproofing needed Ideal Skills and Expertise: - Proficiency in 3D modeling software - Experience in creating highly detailed and realistic 3D models - Understanding of manufacturing processes - Ability to follow clear instructions and guidelines - Attention to detail to ensure the model is an accurate representation of the product If you have experience with this kind of project or believe you have the skills needed, please don't hesitate to reach out. Your he...

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    I'm looking to commission the creation of approximately 30 screens for a mobile application project in Figma, as well as 5 screens for the website counterpart of the same project. HandyConnect: Your Ultimate Service Marketplace" Description: HandyConnect revolutionizes the way users find and connect with trusted service providers for their everyday needs. Whether it's home cleaning, plumbing, electrical work, or any other task, HandyConnect is your go-to platform for seamless service delivery. Key Features: Effortless Service Booking: With HandyConnect, users can effortlessly browse through various categories of services, from household chores to specialized repairs. Our intuitive interface makes it easy for users to find exactly what they ne...

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    ...items database for residential electrical service items. I would like someone who has previous experience with similar work. I will need the database to be input into my management software called "Contractor Foreman". This database will need assemblies of materials assigned to each task. Key Requirements: - Cost estimates for lighting fixtures, electrical outlets, circuit breakers, and all other necessary items for a residential electrical service and remodel with adjustments for different types of condition that can e encountered. - A detailed breakdown of costs for each category is essential. - Extensive experience in providing accurate and reliable cost estimates for electrical systems is a must. - Knowledge of the current market rates f...

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    I'm looking to build a detached garage that will primarily serve as a workshop. It's essential that the space is designed specifically for this purpose. Key Features Needed: - Electrical outlets for tools: The workshop area should be equipped with a sufficient number of electrical outlets to support a variety of tools and machinery. The outlets should be strategically placed for convenience and safety. - Ventilation system: A proper ventilation system is a must to keep the workspace safe and comfortable. The design should incorporate features that promote good air circulation and help remove fumes and dust. Size and Layout: - Size: I am looking for a workshop space that is 650 sq ft. This should provide ample room for various workstations and tools. - Layout: The...

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    ...need a professional to conduct an analysis on wood pole less than 5 years old. We will be digging next to the electrical pole to incorporate conduit for a new service. It's critical that the analysis identifies any structural weaknesses, assesses load-bearing capacity, and determines if a pole hold is needed for project. If required a design for pole hold will be needed. Ideal skills and experience: - Civil/Structural Engineering background. - Proven experience in load-bearing analysis. - Expertise in analyzing wooden structures. - Knowledge in electrical installation practices. - Comprehensive understanding of safety risk assessments. Please note the importance of this project - any damages to the poles could cause potential electricity disruptions ...

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    I need specialized assistance in incorporating comments into certain areas of my MEP (Mechanical, Electrical, and Plumbing) design to ensure that they fulfil the requirements of the Canadian Building Code (CBC). This endeavor specifically involves a residential building. Key requirements: - Redefine Electrical Systems: Help in reworking the electrical systems design with meticulous attention to the ideas in the feedback. - Adjust Mechanical Systems: Assistance in harmonizing the comments into my mechanical systems design is needed. - Enhance Plumbing Systems: Need your expert input in enhancing my plumbing systems design as per the received remarks. Ideal skills and experience: - Detailed knowledge of, and practical experience with, the CBC - Proven experience in...

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    I am in need of a professional capable of making corrections to my existing MEP design in accordance t...existing MEP design in accordance to the Canadian Building Code. Modifications are required in the following areas: - Electrical - Plumbing - HVAC Unfortunately, there have been some issues identified in these areas that need to be fixed. Although specifics on the issues haven't been stated, having expertise evaluating and correcting such systems to comply with the CBC is critical. Ideal candidate will possess: - A strong knowledge in Electrical, Plumbing, HVAC systems - Experience working with the Canadian Building Code - A keen eye for identifying and correcting potential MEP design issues. Please submit your proposal detailing your relevant experience and your app...

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    I need a basic logic electrical diagram created using Logic.ly. delivery time now. will take 15mins. The main purpose of the diagram is to help me understand an existing circuit better. Key Requirements: - Create a detailed and well-structured logic electrical diagram from the website - Utilize Logic. ly for the diagram's design and export Please note that I'm only interested in the use of Logic. ly for this project. Your experience in working with this tool will be a major advantage it's very basic request. Electrical engineering

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    As a client in need of a skilled electrical estimator, I am looking for a professional who can provide detailed and accurate cost estimates for a variety of projects. The main goal is to help me in my decision-making by providing accurate and detailed insights that will help me to plan and budget efficiently. Key Requirements: - Proficiency in electrical estimating: This task requires someone who has a strong background in electrical systems, pricing, and estimation. - Experience with Residential, Commercial, and Industrial projects: I need cost estimates for a range of projects, from small residential installations to large-scale industrial works. - Attention to Detail: The estimates should be as detailed as possible, including itemized breakdown of costs, to help me...

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    I have a small floor plan that I'd like to have traced in AutoCAD. The plan is under 1000 square feet. Key requirements: - Redrawing the floor plan accurately in AutoCAD. - Recording the way while redrawing. - Emphasizing specific details such as electrical layouts and sectioning. Ideal skills and experience: - Proficiency in AutoCAD, with a good understanding of its tools and functions. - Experience with tracing and/or redrawing floor plans. - Attention to detail to capture specific elements like electrical layouts and sectioning. Looking for a freelancer who can complete this task accurately and efficiently.

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    I'm in need of a skil...equipment in a small venue. Key Responsibilities: - Assist with installing LED lights, spotlights, and moving heads - Ensure proper wiring and positioning according to the venue's layout and requirements - Troubleshoot any technical issues that may arise during the installation process Ideal Skills and Experience: - Proven experience in installing and working with stage lighting equipment - Electrical background or certification is a plus - Familiarity with small venue lighting setups and configurations - Attention to detail and ability to work efficiently Please provide examples of your past work with stage lighting installations and any relevant certifications you hold. I have 16 fixtures the need to be programmed to a dmx 512 controller fo...

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    I need a creative, professional logo for my business, NRW Electrical Connections. My preferred color scheme is orange and black. I'd like the design to incorporate elements related to electricity, such as lightning bolts, power outlets, and electrical plugs. Ideal Skills and Experience: - Experience in logo design, particularly for companies in the electrical or power industry - Proficiency with design software to generate a clean, modern and professional logo - Ability to incorporate multiple elements (lightning bolts, power outlets, electrical plugs) into the design harmoniously - Knowledge of color theory and how to effectively combine orange and black in a way that is visually appealing - A good understanding of branding principles to create a design ...

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    I need a creative, professional logo for my business, NRW Electrical Connections. My preferred color scheme is orange and black. I'd like the design to incorporate elements related to electricity, such as lightning bolts, power outlets, and electrical plugs. Ideal Skills and Experience: - Experience in logo design, particularly for companies in the electrical or power industry - Proficiency with design software to generate a clean, modern and professional logo - Ability to incorporate multiple elements (lightning bolts, power outlets, electrical plugs) into the design harmoniously - Knowledge of color theory and how to effectively combine orange and black in a way that is visually appealing - A good understanding of branding principles to create a design ...

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    Hello, I am an electrical and electronics engineer with a master's degree in the field and I have an idea for a patent. I am interested in examining the transition of some medical device to connect an accessory to a smartphone + building a suitable application for the accessory. And if there is indeed the possibility of building a complete prototype + a suitable application. Further details will be given to the respective freelancer after signing an NDA.

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    Creating requirements for electrical and mechanical plumbing shop drawings for a data center in Saudi Arabia involves ensuring compliance with local regulations, safety standards, and the specific needs of the facility. Here's a basic outline of the requirements: Regulatory Compliance: Ensure all designs adhere to the regulations set forth by the Saudi Arabian Civil Defense Authority. Comply with international standards such as NFPA (National Fire Protection Association) codes and ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) standards relevant to electrical and mechanical systems. Mechanical Plumbing Shop Drawings: HVAC (Heating, Ventilation, and Air Conditioning) system designs including ductwork layout, equipment sizing, and loca...

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    I am on the lookout for a specialist in electrical classic control who can assist me in understanding better the SLD (Single Line Diagram) control circuitry, particularly as pertains to a Siemens substation system. Key Aspects: - Circuit Diagram Interpretation: I've reached an advanced level of understanding, but a deeper interpretation is required for me to grasp the intricacies fully. - Circuit Symbols & Fault Follow: My current challenge is the in-depth interpretation of circuit symbols and understanding how to follow faults using the SLD. Ideal Skills and Experience: - Detailed understanding of SLDs and schematic diagrams. - Proficient knowledge of electrical classic control. - Experience in handling Siemens substation systems will be beneficial. - Experti...

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    I'm in need of an experienced electrical engineer to design a commercial electrical system. Key Requirements: - **System Design:** The primary task is to design the electrical system for a commercial property. The chosen candidate should have a strong understanding of electrical engineering principles, codes, and standards. - **Industry Experience:** Prior experience in designing commercial electrical systems is highly desired, though not mandatory. - **Renewable Energy:** While I didn't select specific requirements for renewable energy, knowledge in this area would be a bonus. Skills and Experience: - Proven experience in designing electrical systems, particularly for commercial properties. - In-depth knowledge of electrical...

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    need electrical engineer 已经结束 left

    more info will be shared in chat

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    ...and simulation to assist in a pivotal development project for my studio. The focus is on two crucial areas: 1. Automation: The aim is to automate equipment setup, calibration, audio and video editing, and lighting control. Any practical experience in these areas will be of great value. 2. System Simulation: The primary need in this area is in the simulation of electrical and mechanical systems. The simulation process should primarily test functionality and ease of use. The skill set required includes: - Experience in automation engineering - Expertise in simulation development, specifically electrical and mechanical systems - Problem-solving aptitude - Experience in testing functionality and ease of use The end goal of the project is to validate ou...

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    I'm in need of an experienced electrical engineer with expertise in power systems and circuit design. I'm looking to have a flyback converter developed that can meet the following specifications: - Input Voltage: 24 V DC - Output Voltage: 3 V - Load: 5 Ω - Output Current: 1-3 Amps - Load-Voltage Variation: < ± 3% The primary objectives of this project are to achieve a high level of efficiency and to ensure the device can deliver a consistent 3V to the 5 Ω load, while also being able to handle variations within the specified range. Ideal candidates for this project should possess: - Proven experience in designing flyback converters - Proficiency in power systems and circuit design - Ability to optimize for high efficiency - Experience in deliverin...

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    ...a hydraulic lift portable luggage ramp with a weight capacity of up to 200 lbs, intended for indoor use. This design will incorporate an electrical start stop button equipped with LED indicator lights, adjustable speed control, and an emergency stop feature. Key Features: - capable to be mounted over stairs to get luggage from bottom to top or reverse luggage from top to bottom of stairs - Weight Capacity: The ramp should be able to handle loads up to 200 lbs, ensuring it's sturdy and reliable for everyday use. - Indoor Use: This device will be used in a home environment, so it should be compact, easy to maneuver, and suitable for indoor use. - Electrical Start Stop Button: This feature is crucial for user control and safety: - LED Indicator Lights: These will pr...

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    I am in dire need of a skilled electrical engineer for commercial electrical installations. The task revolves around wiring a 3 phase air compressor to split phase 220 volt in a powder coating shop. Key Responsibilities: - Proficiency in commercial electrical installations - Handle wiring and connections for a 3 phase compressor Ideal Skillset: - Extensive experience in commercial electrical installations - Familiarity with split phase 220 volt systems - Knowledge of safety norms for retail outlet electrical systems.

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    $195 / hr 平均报价
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    I require assistance in adjusting dwg drawings for my interior design project. The specific changes required are: - Modification of room layout to yield more open space. - Addition of electrical outlets across the new room layout. - Updating of lighting fixtures. The updated design should align with a minimalist style. Ideally, the freelancer should have a background in interior design, with exemplary skills in electrical design and AutoCAD. Knowledge in minimalist design and experience in working with DWG files is highly desirable.

    $164 (Avg Bid)
    $164 平均报价
    38 个竞标