A.電樞線圈損壞 B.驅(qū)動齒輪不能與啟動齒圈嚙合 C.驅(qū)動齒輪嚙合后起動機空轉(zhuǎn) D.起動機磁場繞組損壞
A.1.0 B.1.2 C.1.5 D.1.8
A.18% B.24% C.40% D.30%