- a unit of energy equal to a power of one watt operating for one hour. 1 watt-hour equals 3600 joules
单词 | watt-hour |
释义 | WordReference Random House Unabridged Dictionary of American English © 2024 watt-hour (wot′ouər′, -ou′ər),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: watt-hour n
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