binder-moving lever

例句：

1. 1.The binder-moving lever is used to adjust the tension of the cable.
   活动杆用于调整电缆的张力。
2. 2. The engineer used a binder-moving lever to lift the heavy machine.
   工程师使用活动杆来抬起沉重的机器。
3. 3. The binder-moving lever was essential in the construction of the bridge.
   活动杆在桥梁建设中至关重要。