intermediate valve

例句：

1. 1. The intermediate valve is responsiblefor controlling the flow of oil.
   中间阀门负责控制油的流动。
2. 2. Theengineers had to replacethe intermediate valve in the pipeline.
   工程师们不得不更换管道中的中间阀门。
3. 3. The intermediate valve was designed to preventleaks and ensure safe operation.
   中间阀门被设计来防止泄漏并确保安全操作。