A.60V B.100V C.120V D.220V
A.二次繞組匝數(shù)少 B.二次繞組匝數(shù)多 C.一次繞組匝數(shù)少
A.一次繞組匝數(shù)少 B.一次繞組匝數(shù)多 C.二次繞組匝數(shù)多