single-bend valve

例句：

1. 1. The engineerdesigned a single-bend valve to control the flow of oil.
   工程师设计了一个单弯阀门来控制油的流动。
2. 2.The single-bend valve was used to prevent water from leaking into the pipeline.
   单弯阀门被用来防止水渗入管道。
3. 3.The single-bend valve was crucial in maintaining the integrity of the pipeline system.
   单弯阀门在维护管道系统完整性中起着至关重要的作用。