A.MQG320034500 B.MBY320034500 C.MQY320034500
A.發(fā)電機(jī) B.低速同步電動(dòng)機(jī) C.異步電動(dòng)機(jī) D.減速器
A.5%-10% B.10%-25% C.30%-40% D.25%-30%