clamped tool

例句：

1. 1. The engineer used a special clamp to hold the bolt in place.
   工程师使用特殊的夹具来固定螺栓。
2. 2.The carpenter needed a clamped tool to cut the wood accurately.
   木匠需要一把夹紧工具来精确地切割木材。
3. 3.The construction workers were using clamped tools to build the new bridge.
   建筑工人正在使用夹紧工具建造新桥。