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1g焦耳等于多少大卡
更新时间： 2020-11-04 00:00:00  

卡路里，也就是卡和千卡(大卡)，都是能量的单位。食物能量通常用千卡计算，按国际单位，能量应当用焦耳来表示。1焦耳=4.182卡，则1千卡=4.182千焦耳。1千卡(kcal)=4.184千焦(kJ)。

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