absolute watt-hour绝对瓦
watt-hour calibration电能表校验
Watt-hour capacity[电] 瓦时容量;翻译
efficiency watt-hour瓦特小时效率
watt-hour consumption瓦时消耗量
watt-hour transducer有功电能变送器
intelligent watt-hour智能型电度表
international watt-hour国际瓦
N（名词） a unit of energy equal to a power of one watt operating for one hour. 1 watt-hour equals 3600 joules 瓦时(能量单位，1瓦时=3600焦耳)