washing pipe

例句：

1. 1. The washing pipe was clogged with soap scum.
   洗涤管被肥皂渣堵塞了。
2. 2. The engineer used a special washing pipe to clean the oily parts of the engine.
   工程师使用一种特殊的洗涤管来清洗发动机的油渍部分。
3. 3.The washing pipe is essential for removing dirt and grime from clothes.
   洗涤管对于从衣物上去除污垢和污渍至关重要。