double hollow bit tongs

例句：

1. 1. We used thedouble hollow bit tongs totighten the bolts on the car.
   我们用双空心钳子来紧固汽车上的螺栓。
2. 2. The engineer used the doublehollow bit tongs to remove theold screws from the door.
   工程师用双空心钳子来拆卸门上的旧螺丝。
3. 3. The mechanic used the double hollowbit tongs to replace the worn-out nut on the gearbox.
   机械师用双空心钳子来更换齿轮箱上磨损的螺母。