three-plier

例句：

1. 1. We need to use the three-plier to tighten the bolts on the car.
   我们需要用三扣机来紧固汽车上的螺栓。
2. 2.The engineer used the three-plier to remove the screw from the wall.
   工程师使用三扣机从墙上取出螺丝。
3. 3.The tool is designed for professionals who need to handle heavy and awkward objects.
   这种工具是为需要处理重且难以操作物体的专业人士设计的。