单项选择题
A.30.2 B.42.9 C.40.9 D.26.16
A.10111000 B.10011000 C.10011010 D.10011001
A.27 B.37 C.36 D.36
A.结合库容 B.静库容 C.兴利库容 D.拦洪库容
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