polyvinyl chloride plastic
英
美
- 聚氯乙烯塑料
双语例句
- 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。
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