standard rated voltage

例句：

1. 1.The power supply must meet the standard rated voltage of 220V.
   电源必须符合220伏的标准额定电压。
2. 2.This device operates on a standard rated voltage of 5V.
   这台设备以5伏的标准额定电压运行。
3. 3. The electrical equipment must be tested to ensure it meets the standard rated voltage requirements.
   电气设备必须经过测试，以确保其满足标准额定电压要求。