overhead coil

例句：

1. 1. The overhead coil is responsible for the distribution of electrical energy in a power grid.
   过载线圈负责电力网中电能的分配。
2. 2. The engineers designed an overhead coil to improve the efficiency of the generator.
   工程师们设计了一个过载线圈来提高发电机的效率。
3. 3. The overhead coil was damaged during the storm, which caused a temporary outage in the power system.
   暴风雨期间，过载线圈受损，导致电力系统暂时中断。