standard power meter

例句：

1. 1.The factory uses a standard power meter to measure the amount of electricity used.
   工厂使用标准功率表来测量使用的电量。
2. 2. The new model electric car comes with a standard power meter installed.
   新款电动汽车配备了标准功率表。
3. 3.The engineer checked the standard power meter to ensure it was functioning correctly.
   工程师检查了标准功率表以确保其正常工作。