polyvinyl chloride plastics

• 聚氯乙烯塑料

polyvinyl chloride plastics的用法和样例：

例句

1. After analyzing the characteristics and application situation of the polyvinyl chlride waterpipe,the variation of the waterquality in the plastic water pipeis 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。