insulated oiling pole

例句：

1. 1.The insulated oiling pole is used to protect the electrical equipment from overheating.
   绝缘油杆用于保护电气设备免受过热。
2. 2. During maintenance, the insulated oiling pole was carefully inspected for any signs of damage.
   在维护期间，对绝缘油杆进行了仔细检查，以查找任何损坏的迹象。
3. 3.The insulated oiling pole is essential for maintaining the integrity of the electrical system.
   绝缘油杆对于保持电气系统的完整性至关重要。