A.0.15~0.25 B.0.25~0.5 C.0.5~0.75 D.0.75~1.0
A.驅(qū)動齒輪 B.單向離合器 C.飛輪齒環(huán) D.以上說法均不正確
A.25.5 B.55 C.99.8 D.117