单项选择题
A.杂散损耗 B.铜耗 C.涡流损耗 D.磁滞损耗
A.0.1 B.0.18 C.0.5 D.0.8
A.Y/△ B.△/Y C.△/△ D.Y/Y
A.60%-80% B.70%-120% C.85%-105% D.100%-115%
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