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单词 watt-hour
释义

WordReference Random House Unabridged Dictionary of American English © 2024
watt-hour  (wotouər′, -ou′ər),USA pronunciation n. 
  1. Electricitya unit of energy equal to the energy of one watt operating for one hour, equivalent to 3600 joules. Abbr.: Wh Also, watthour′. 
  • 1885–90

Collins Concise English Dictionary © HarperCollins Publishers::
watt-hour n
  1. a unit of energy equal to a power of one watt operating for one hour. 1 watt-hour equals 3600 joules
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