transformer pillar

例句：

1. 1. The transformer pillars are essential for the safe operation of the electrical system.
   变压器支柱对于电力系统的安全运行至关重要。
2. 2. The transformer pillars were damaged during the storm, which caused a power outage.
   暴风雨期间，变压器支柱受损，导致停电。
3. 3. The engineers carefully inspected each transformer pillar to ensure its integrity before installing the new equipment.
   工程师们仔细检查了每个变压器支柱，以确保其完整性，然后才安装新的设备。