【計】 power down stand by

電源的英語翻譯：

electrical source; power source; power supply
【計】 power source; power supply; PS; supply power
【化】 current source; electric source; power source; power supply
supply source

故的英語翻譯：

reason; cause; hence; therefore; die; former; old; friend; happening
on purpose

備用裝置的英語翻譯：

【計】 reserve arrangement; stand-by equipment; stand-by unit
【化】 emergency installation; emergency unit; spare plant