kilovolt-ampere-hour meter

例句：

1. 1. The power company installed a kilovolt-ampere-hour meter to monitor the energy consumption of its customers.
   电力公司安装了一台千伏安时表来监控其客户的能源消耗。
2. 2. The engineer used the kilovolt-ampere-hour meter to calculate the efficiency of the new generator.
   工程师使用千伏安时表来计算新发电机的效率。
3. 3. The kilovolt-ampere-hour meter was used to measure the amount of electricity consumed by the household during theday.
   千伏安时表被用来测量家庭在一天内消耗的电量。