关于如图所示装置的叙述正确的是 A 铜是正极铜片上有气泡产生 b 铜片质量逐渐减� C 电流从锌片经导线流�铜片 D 氢离子在铜片 Template




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tomski关于如图所示装置的叙述正确的是 a 铜是正极铜片上有气泡产生 coloring