电源继电器 RELAY INTERMITTENT WIPER ; source relay
电源监视继电器 KVS JJ ; KVS
电源电压监控器 SVS
电器电源开关 appliance mains switch
汽车电源电子控制器 automobile power electronic controller
电源转换继电器 power transfer relay
控制电源中间继电器 Auxiliary relay for control supply
电源电路断路器 powercir circuit breaker
不断电电源供给器 UPS ; uninterruptible power supply
当你离开房间的时候，请关闭空调，热水器，电视，电灯等其他的电器设备电源。
When you leave the room, turn off the air conditioning, heat, television, lights or any other electric devices.
当你为你的吐司炉——或者电视、吸尘器——插好插头、打开电源时，电能便以交流电的形式为这些家用电器供电。
PLUG in your toaster—or your television or your vacuum cleaner—and the electricity that surges through it is an alternating current.
凡是插在墙上插座里的电器，它的电源线里至少传输着110伏特的电流。
For every device you plug into the wall, you're running at least 110 volts of electricity through a length of wire.
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