slide valve lever

例句：

1. 1. The engineer used a slide valvelever to adjust the flow rate of theoil.
   工程师使用一个滑动阀杆来调整油的流量。
2. 2. The technician had to remove theslide valve lever before starting the engine.
   技术人员在启动发动机之前必须移除滑动阀杆。
3. 3.The engineer replaced the slide valve lever witha new one to improve the performance ofthe system.
   工程师用一个新的滑动阀杆替换了旧的，以改善系统的性能。