Definition
A facility that transfers electrical power from one part of the electricity production or distribution system to another.
变电站（可将电力从电力系统的一部分传输到另一部分）
The city's new electricity substation will improve the reliability of power supply across the region.
这座城市的新变电站将提高整个地区的供电可靠性。
Engineers are inspecting the equipment at the substation to ensure it operates safely and efficiently.
工程师正在检查变电站的设备，以确保其安全高效地运行。
The local electricity substation needs to be upgraded to cope with the increasing demand for power.
当地的变电站需要升级，以应对日益增长的电力需求。