deenergized period

例句：

1. 1. The batterywas deenergized bythe sudden drop in voltage.
   电池因电压突然下降而去能化。
2. 2. Theold car needed a tune-up todeenergize its engine.
   这辆旧车需要调校来去能化其引擎。
3. 3. The power plant has beendeenergized for maintenance.
   电厂已去能化以进行维护。