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古代如何做冰块
更新时间: 2020-11-01 00:00:00  

古代做冰块大约在唐朝末期,工匠们在生产火药时开采了大量硝石。偶尔发现硝石溶于水时会吸收大量的热,能使周围的水将温直至结冰。于是一些能工巧匠便开始利用硝石开始制冰。工匠们将水放入罐内,取一个更大的容器,在容器内放水,然后将罐子放在容器内,并不断地在容器中加入硝石,罐内的水结成了冰。

关键词: 古代 如何 冰块

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