问答题

关于浓差电池,下列叙述中正确的是(    )。
   A.    B.
   C.    D.

A.B.174.24.96:6088/Latex/latex.action?latex=RV57XG9taW51cyB9XG5lcSAw77yMRT0w'
C.D.174.24.96:6088/Latex/latex.action?latex=RV57XG9taW51cyB9PSAw77yMRVxuZXEw'
E.F.174.24.96:6088/Latex/latex.action?latex=RV57XG9taW51cyB9PTDvvIxFPTA%3D'
G.H.174.24.96:6088/Latex/latex.action?latex=RV57XG9taW51cyB9XG5lcSAw77yMRVxuZXEw'
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