hard plastic tube

例句：

1. 1. This new type of hard plastic tube is much more durable than the old one.
   这种新型的硬塑料管比旧的那种耐用多了。
2. 2.The engineer used a hard plastic tube to connect the two pipes.
   工程师用一根硬塑料管将两根管子连接起来。
3. 3. The hard plastic tube was used to transport oil from the refinery to the storage tank.
   这根硬塑料管被用来从炼油厂将石油输送到储油罐中。