短语词组短語Brownout Detect 掉電檢測Brownout Voltage 電壓保護brownout t 節約用電ac brownout 交流降壓;交流節電power brownout 限電brownout mode 節電模式sleep for brownout 休眠省電brownout and high efficiency 節電高傚UPS on battery Brownout 持續低電壓 返回 brownout