Rain test room is an important test facility of engineering equipment vehicles’finalization test. The design parameters of rain test room can influence its application area and test results. The way to determine design parameters of rain test room was discussed from the aspects of rain intensity, nozzle type, distance between nozzles, etc.%淋雨试验室是重要的工程装备车辆定型试验设施，其设计参数直接影响淋雨试验室的适用范围和防雨密封性试验结果。从淋雨强度、喷嘴型式、喷嘴间距等方面阐述淋雨试验室设计时如何进行参数确定。
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