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按照专门使用目的而变型或改装的各种车辆,要求其应具有较高的环境适应性能,尤其是作为公路运输的专用车和进行特种工程作业的改装车辆,为保证其所运物资的完好和车内装置、设备能在各种环境中具备良好的工作能力,所以,要求改装后的车辆一定要具有较好的密封性能。为能恰当地评价各种专用车和改装车辆的密封性能,解决好专用汽车和改装车辆的淋雨试验标准、方法和试验装置应当是专用汽车和改装车辆行业技术发展的重要工作之一。
All kinds of vehicles that are modified or modified according to the specific purpose of use are required to have high environmental adaptability, especially as special vehicles for road transportation and modified vehicles for special engineering operations. In order to ensure that the materials they transport are in good condition and Interior equipment, equipment in a variety of environments have a good ability to work, therefore, require modified vehicles must have better sealing performance. In order to properly evaluate the sealing performance of various special purpose vehicles and modified vehicles, it is one of the important tasks to solve the technical problems of special vehicles and modified vehicles that rain test standards, methods and test devices are to be developed.