14.关于如图所示装置的叙述正确的是 A.铜是阳极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 Template




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tomski14.关于如图所示装置的叙述正确的是 a.铜是阳极铜片上有气泡产生 b.铜片质量逐渐减� coloring