近年来硬聚氯乙烯排水管正在我国迅速推广使用，但因多数施工人员对其安装工艺要求尚不熟悉，也带来了一些质量问题。
More and more UPVC drainage pipes have been put into application recently in China, yet the quality suffers due to the worker's unfamiliarity with the installation process.
使用线程旋盖拟合一端和标准年底，4聚氯乙烯排水管节在其他上限。
Use a section of 4 PVC waste pipe with a threaded screw-cap fitting on one end and a standard end-cap at the other.
介绍了硬聚氯乙烯排水管的优越性及施工安装中的注意事项。
The advantage of UPVC plastics drain pipe and points for attention in fixing it are put forward.
从普通排水管系的工作特性出发，分析了硬聚氯乙烯螺旋单立管的工作原理及其优点。
Proceeding with the working character of building drainage system, the principle of PPI is analyzed in the paper.
介绍了硬质聚氯乙烯排水管(UPVC排水管)的诸多优点，从UPVC排水管的伸缩、固定及噪音方面，就其在实际使用中存在的具体问题作了分析，提出了一些防治措。
The advantages of rigid UPVC pipe are introduced and according to expansion, fixing, noise and other practical questions corresponding preventive and control measures are proposed.
分析了我国塑料给水管的特点及应用现状，对聚氯乙烯塑料给水管中化学成分对水质的影响进行了研究。
After analyzing the characteristics and application situation of the polyvinyl chloride waterpipe, the variation of the water quality in the plastic water pipe is studied.
分析了我国塑料给水管的特点及应用现状，对聚氯乙烯塑料给水管中化学成分对水质的影响进行了研究。
After analyzing the characteristics and application situation of the polyvinyl chloride waterpipe, the variation of the water quality in the plastic water pipe is studied.
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