operating lever hook

例句：

1. 1. The operating lever is the partof the control system that allows you tooperate the machine.
   操作杆是控制系统的一部分，允许您操作机器。
2. 2. The engineerused a special tool toadjust the operating lever.
   工程师使用特殊的工具来调整操作杆。
3. 3. The operatorhad to be careful not to touch theoperating lever while it was in use.
   操作员在使用中必须小心不要触摸操作杆。