聚氯乙烯排水管 meaning in Chinese

pvc drain

Specification for type psm poly vinyl chloride sewer pipe and fittings
Psm型聚氯乙烯排水管材和管件的规范
Technical specification of buried pvc - u pipeline for sewer engineering
埋地硬聚氯乙烯排水管道工程技术规程
Initial probing of new technology for installation of hard pvc drainage pipe
硬质聚氯乙烯排水管安装新工艺初探
Unplasticized polyvinyl chloride drainpipes ; dimesions , requirements , testing
无增塑剂聚氯乙烯硬质聚氯乙烯排水管.尺寸要求