| 单词 | British thermal unit |
| 释义 | British thermal unit【医】 英制热量单位(1B.T.U=252.00cal) British thermal unit British thermal unit n.Abbr. Btu（名词）缩写 Btu1. The quantity of heat required to raise the temperature of one pound of water from 60&9{=} to 61&9{=}F at a constant pressure of one atmosphere.英（制）热单位：在一个大气压的常压下，把１磅水从60&9{=}F升高到61&9{=}F温度所需的热量2. The quantity of heat equal to &9{!/180} of the heat required to raise the temperature of one pound of water from 32&9{=} to 212&9{=}F at a constant pressure of one atmosphere.英（制）热单位：与在一个大气压的常压下把1磅水从32&9{=}F升高到212&9{=}F温度所需热量的&9{!/180}相等的热量 |
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