electric cranial drill

例句：

1. 1.The electric cranial drill is used to quickly and efficiently remove bone fragments during surgery.
   电颅钻用于手术中快速而有效地去除骨碎片。
2. 2. The patient was given an electric cranial drill to help him recover faster.
   患者被给予电颅钻以帮助他更快地恢复。
3. 3.The electric cranial drill was a revolutionary tool that changed the way doctors treated brain injuries.
   电颅钻是一种革命性的工具，改变了医生治疗脑损伤的方式。