all-mains

例句：

1. 1.The house has all-mains power.
   这栋房子有全部的主电源。
2. 2.The car's all-mains system is working properly.
   汽车的全部主电源系统工作正常。
3. 3. The generator provides all-mains power to the building.
   发电机为大楼提供全部主电源。