天气预报 > 其他 > 用蒸笼蒸馒头哪层先熟
用蒸笼蒸馒头哪层先熟
更新时间: 2020-10-06 00:00:00  

蒸馒头时离发热源最靠近的是水,水经发热源受热至100度达到沸点,沸腾的水蒸气温度高于100度,高于100度的水蒸气向上聚集越多温度不断升高,形成气压。所以蒸馒头最上面先熟,最下面后熟。

关键词: 蒸笼 馒头

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