用如图所示的密闭实验装置能使液面a比液面b高过一段时间又回到持平的一组固体和液体可以是 A.食盐和水b.锌和硫酸c.固体氢氧化钠和水d Template




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tomski用如图所示的密闭实验装置能使液面a比液面b高过一段时间又回到持平的一组固体和液体可以是 a.食盐和水b.锌和硫酸c.固体氢氧化钠和水d coloring