停电

The hospital has a backup generator in case there is a power failure.

医院有备用发机以防。

They immit this spirit at every time they design jewelry styles.

高精度时钟，时钟信息不丢失。

There are candles strategically placed—just in case we have another power cut.

我们把蜡烛放在合适的地方，以防再。

AC，230V or 110V,mechanical limit swithch, with handcrank, widely used in industrial soor or big garage door,ect.

WSM 100 交流230V/110V 机械限位具有手摇功能，用大型卷帘。

With load growth of distribution systems, it becomes very complicated for dispatchers to obtain restoration plan for unfaulted but out-of-service areas.

摘要配系统由负载持续成长，当故障发生时，系统调度员欲恢复非故障区域之复计画日趋复杂。