shaft sinking grab

例句：

1. 1.The engineer used a special tool to shaft sinking grab the bolt.
   工程师使用一种特殊的工具来轴心下沉抓取螺栓。
2. 2.The drill bit was designed to shaft sinking grab through concrete without damaging it.
   钻头的设计是为了轴心下沉抓取穿过混凝土而不损坏它。
3. 3. The construction crew used a shaft sinking grab to lift the heavy equipment onto the scaffold.
   建筑工人使用一个轴心下沉抓取来将重型设备提升到脚手架上。