pipe materials

• 管材

pipe materials的用法和样例：

例句

1. 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。
2. Aluminum has been playing an important part in preventing pipe from corroding.
   在管材防腐方面铝一直起着重要作用。