u pipe meaning in Chinese

u形管

Fire stopping collar of pvc - u pipe for building drainage
硬聚氯乙烯建筑排水管道阻火圈
Pvc - u pipes and fittings for water supply
Pvc - u给水管及管件
Technical specification for pvc - u pipe work for water sewerage of buildings
建筑排水硬聚氯乙烯管道工程技术规程
Plastics piping systems - elastomeric - sealing - ring - type socket joints of unplasticized poly vinyl chloride for use with pvc - u pipes - test method for leaktightness under negative pressure
塑料管道系统硬聚氯乙烯pvc - u管材弹性密封圈式承口接头负压密封试验方法
Plastics piping systems - elastomeric - sealing - ring - type socket joints of unplasticized poly vinyl chloride for use with pvc - u pipes - test method for leaktightness under negative pressure
塑料管道系统.与未增塑聚氯乙烯管一起使用的未增塑聚氯乙烯弹性密封环式套筒接头.负压下的密封性试验方法

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