英语词汇“British thermal unit”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	British thermal unit
释义	British thermal unit n. Abbr. BTU or Btu 1. The quantity of heat required to raise the temperature of one pound of water from 60° to 61°F at a constant pressure of one atmosphere. 2. The quantity of heat equal to ¹/₁₈₀ of the heat required to raise the temperature of one pound of water from 32° to 212°F at a constant pressure of one atmosphere.
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