And in emergencies , such as power - failures , the mirrors could light up the affected area.

如果遇到类似停电这样的紧急情况, 可以给这些事故地区照明.

中级百科部分

Production in the factories stopped because of frequent power failures.

频繁的停电使工厂停产.

互联网

The over - temperature function incorporates a bi - stable relay that retains its position during power failures.

报警器还配置双稳态继电器,在停电时,监测过热的功能仍然能够正常工作.

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