power failure 托福

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

医院有备用发机以防停。

2.This procedure is suitable for all urgent conditions including fire, detonation, chemical overflow, flammable gas divulgence, serious power failure and other natural disaster accidents and so on.

序适用于公司所有紧急状况包火灾、爆炸、化学品溢出、可燃气体、重断和其它自然灾害等事故。