auxiliary power supply (APS)的用法和样例：
例句
- The auxiliary power supply affordwork voltage of every device.
辅助电源电路为控制电路中各器件提供工作电压。 - By external power supply is meant the supply of any kind of primary or auxiliary power to automation, control or mechanical systems of the wind turbine from outside.
外部电源，指的是利用任何初级或者辅助电源来进行自动控制，操作的电源，或指风机外部的机械系统的电源。
