我们需要一个备用发电机以防停电。

We need a backup generator in case of a power outage.

医院在紧急情况下依赖备用发电机。

The hospital relies on a backup generator for emergencies.

当主电源失效时，备用发电机起作用了。

The backup generator functioned when the main power failed.

备用发电机；机动人员。

A standby generator; a standby crew.

我们有一台三百千瓦的事故备用发电机。

We have an emergency-standby electric generator with a capacity of 300 kilowatts.

我们有一台三百千瓦的事故备用发电机.

We have an emergency - standby electric generator with a capacity of 300 kilowatts.

我们有一台万一断电时使用的备用发电机.

We have an auxiliary generator in case of power cuts.

这是一个伟大的窄小使用或回家备用发电机使用。

This is a great generator for jobsite use or home standby use.

美国的核监管机构必须确保所有核电厂在电网和备用发电机被破坏的情况下仍有足够的移动发电机或其他地备用电源以供应急。

American regulators must ensure that all nuclear plants have enough mobile generators or other backup power in place if their first two lines of defense are disabled.

国际原子能机构将备用发电机的失效回咎于海啸。

The failure of the back-up generators has been blamed on tsunami flooding by the International Atomic Energy Agency (IAEA).