cam-ring chuck

例句：

1. 1.The dentist used a cam-ring chuck to remove the old filling.
   牙医用卡环钳来去除旧的填充物。
2. 2.The engineer used a cam-ring chuck to tighten the bolts on the machine.
   工程师用卡环钳来紧固机器上的螺栓。
3. 3. The carpenter used a cam-ring chuck to hold the wood together while cutting it.
   木匠用卡环钳来在切割木材时固定它。