qiān kǎ
意思解释：（Kilocalorie）热量单位，等于1000卡，亦即1千克水温度升高1摄氏度所需的热量(符号kcal)
也称大卡。原热量的实用单位，是一卡路里的一千倍。也即一公斤水温度升高摄氏一度所需的热量。…
Also weigh kilocalorie. Former caloric is practical unit, it is 1000 times of one calorie. Also namely temperature of a kilogram of water is elevatory and centigrade the quantity of heat that needs for a time. ...
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