emergency auxiliary power

例句：

1. 1.The hospital has a backup generator to provide emergency auxiliary power during emergencies.
   医院有备用发电机，以在紧急情况下提供应急辅助电源。
2. 2. During the power outage, we used our emergency auxiliary power to keep the lights on.
   在停电期间，我们使用我们的应急辅助电源来保持灯光亮起。
3. 3.To ensure the safety of personnel and equipment, the company installed emergency auxiliary power systems in all its facilities.
   为了确保人员和设备的安全，公司在所有设施中安装了应急辅助电源系统。