earthing pole

例句：

1. 1. The engineer used a grounding rod to ensure the safety of the equipment.
   工程师使用接地杆来确保设备的安全。
2. 2. The construction crew had to install a new grounding rod before starting work.
   施工队在开工前必须安装一个新的接地杆。
3. 3. The electrical system needed to be checked for any potential issues with the grounding rod.
   电气系统需要检查是否有任何潜在的问题与接地杆有关。