UPS in a very short time into the "German sunshine low storage battery voltage automatic shutdown" working condition, so as to stop supply power to the load.
UPS在极短时间内进入“德国阳光蓄电池电压过低自动关机”的工作状态，从而停止向负载供电。
My next stop took me to the AC-DC thermal voltage and current lab.
我的下一站是参观AC - DC热电压和电流实验室。
Alarm function: sound alarm and stop machine. Alarm content: lacking phase, under-voltage, overvoltage, high temperature and urgent stopping.
报警功能：声响报警并停机；报警内容：缺相，欠压，过压，高温，紧急停机。
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