But cooling was unavailable as the reactors lost all electricpower, including from backup emergency diesel generators.
可是，反应堆失去了包括应急柴油发电机在内的所有电力供应，冷却系统无法工作。
2
The nuclear plant lost its main source of electricpower to drive the pumps, and the tsunami knocked out the backup diesel generators that were supposed to drive the pumps in an emergency.
核电站失去了驱动冷却水泵的主要电力来源，海啸损毁了本应在紧急情况下驱动水泵的备用柴油发电机。
3
That would also allow the batteries of electric cars to serve as a backup supply of power when needed.