rain water pipe

• 雨水管

rain water pipe的用法和样例：

例句

1. Rain runs down a spout from our roof to the ground.
   雨水经过雨水管从我们的屋顶流到了地上。
2. 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。