suction shaft

例句：

1. 1. The suctionshaft is used to draw waterfrom a well.
   抽吸轴用于从井中抽取水。
2. 2. Theengineer designed the suctionshaft to be flexible enough tohandle different types of machinery.
   工程师设计了一根能够适应不同类型机械的抽吸轴。
3. 3. The suction shaft wasinstalled in the factory's main buildingto facilitate the extraction process.
   抽吸轴安装在工厂主楼内，以便于提取过程。