hoist pump operating lever

例句：

1. 1. The hoist pump operating lever isused to lift heavy objects.
   提升泵操作杆用于提升重物。
2. 2. The engineercarefully adjusted the hoistpump operating lever to ensure smoothoperation.
   工程师仔细调整了提升泵操作杆，以确保顺利运行。
3. 3. The hoistpump operating lever was designed to be easyto use and operate.
   提升泵操作杆设计得易于使用和操作。