工厂应急发电机在停电期间用上了。
The factory's emergency generators were used during the power cut.
而电信公司，医院和商业企业通常都有应急预案来应付停电或者洪水等突发事件。
And telecoms firms, hospitals and businesses usually have contingency plans to deal with power failures or flooding.
拥有手动、机动应急系统，确保出现停电或产生其他故障时仍然能开关自如。
Two, with manual, mobile emergency system to ensure that the power outage or other faults can still be switched freely.
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