drift pipe

例句：

1. 1. The engineer founda drift pipe in the basement that wascausing water to leak.
   工程师在地下室发现了一根导致漏水的漂移管。
2. 2. The companydecided to replace the old drift pipe witha new one to improve efficiency.
   公司决定用新的漂移管替换旧的，以提高效率。
3. 3. The pipeline was damaged during constructionand needed to be repaired using adrift pipe.
   管道在施工过程中受损，需要使用漂移管进行修复。