下列关于如图所示装置的叙述正确的是 A.铜片是负极锌片上有气泡产生b.锌片和铜片都不断溶解溶液逐渐变为蓝色c.该装置可以将电能转化为 Template




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tomski下列关于如图所示装置的叙述正确的是 a.铜片是负极锌片上有气泡产生b.锌片和铜片都不断溶解溶液逐渐变为蓝色c.该装置可以将电能转化为 coloring