indicator clutch operating lever

例句：

1. 1. The indicator clutch operating lever is usedto adjust the engine's speed.
   指示器离合器操作杆用于调整发动机的速度。
2. 2. Thetechnician carefully operated the lever to ensure smoothoperation of the machine.
   技术人员小心翼翼地操作杆，确保机器的顺畅运行。
3. 3. During maintenance,the technician had to operate the lever tochange the oil filter.
   在维护期间，技术人员必须操作杆来更换油滤。