单词：rainwater pipe
rainwater pipe的用法和样例：
例句
- The high-density polyethylene pipe is a new type of tubing.雨水管所采用的高密度聚乙烯管是一种新型管材。
- From the roof the rainwater is brought down in downpipes, located between concrete pilaster strips.在外墙的扶壁混凝土柱之间设置了雨水管。
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