watt-hour

详细解释:n. 瓦(特小)时
【电】 瓦特小时

英语解释：

名词 watt-hour:

a unit of energy equal to the power of one watt operating for one hour

详细解释：

watt-hour

n.Abbr. WH,W-hr（名词）缩写 WH,W-hr
A unit of energy, especially electrical energy, equal to the work done by one watt acting for one hour and equivalent to 3,'00 joules.
瓦特小时：能量单位，尤指电能，等于一瓦特一小时所做的功，相当于3,'00焦耳