working section substation

例句：

1. 1.The working section of the substation is well-maintained and functional.
   变电站的工作区维护得很好，功能正常。
2. 2. The substation's working section is equipped with advanced technology.
   变电站的工作区配备了先进的技术。
3. 3.The engineers were working on the substation's working section when a sudden power outage occurred.
   工程师们在变电站的工作区工作时，突然发生了停电。