A.電樞繞組元件數(shù) B.轉(zhuǎn)速 C.磁極對數(shù) D.電樞繞組并聯(lián)支路對數(shù)
A.50% B.60% C.70% D.80%
A.1.5 B.1.3 C.1.2 D.1.1