watt-hour demand meter

例句：

1. 1. The power company needsto monitor the consumption of electricity in thisarea.
   电力公司需要监控这个地区的电力消耗。
2. 2. The new smart meter is designedto accurately measure the energy consumption of households.
   这款新的智能电表设计得能准确测量家庭能源消耗。
3. 3. The governmenthas introduced a new law to regulate theuse of electric vehicles and reduce the demandfor electricity.
   政府已经引入了一项新法律来规范电动汽车的使用并减少对电力的需求。