单词乎

British thermal units

汉语翻译

【机】 英国热单位

英语解释

名词 british thermal unit:

  1. a unit of heat equal to the amount of heat required to raise one pound of water one degree Fahrenheit at one atmosphere pressure; equivalent to 251.997 calories
    同义词:British thermal unit, BTU, B.Th.U.
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