power reservse gear

例句：

1. 1. The company has a large powerreserve to ensure stable operation during emergencies.
   该公司拥有大量的备用电源，以确保在紧急情况下能够稳定运行。
2. 2. The generator isdesigned to provide power reserves for theentire building.
   发电机的设计是为了为整个建筑提供备用电源。
3. 3. The power reserves are crucialfor maintaining critical systems in case of apower outage.
   备用电源对于在停电情况下维持关键系统至关重要。