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一斤相当于多少大卡

更新时间: 2020-11-05 00:00:00     

4500大卡。1kg的纯水温度升高或降低1摄氏度,所吸收或放出的热量为1千卡。大卡就是千卡(正规说应该是千卡即kcal)。一公斤燃料能使X千克水升高1摄氏度就是这种燃料的热值。

关键词: 相当 多少 大卡

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