shafting-grounding device

例句：

1. 1. The shafting-grounding device is designed to ensure the safety of the drilling process.
   钻杆接地装置的设计旨在确保钻井过程的安全性。
2. 2.The engineer used a special tool to ground the shafting-grounding device before starting the drilling operation.
   工程师使用特殊的工具在开始钻探作业前对钻杆接地装置进行接地。
3. 3. The shafting-grounding device was installed at the bottom of the well to prevent any potential hazards during drilling.
   钻杆接地装置安装在井底，以防止钻探过程中的任何潜在危险。