单项选择题
A.50MVA B.42MVA C.46.87MVA D.62.5MVA
A.62.5MVA B.40MVA C.46.87MVA D.50MVA
A.SN4-10G/5000 B.SN4-10G/6000 C.SN10-10III/3000 D.SN3-10/3000
A.单母线 B.内桥 C.外桥 D.单母线分段
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