A.心軸 B.轉(zhuǎn)軸 C.傳動(dòng)軸
A.最細(xì)端 B.最大 C.平均
A.奇數(shù),偶數(shù) B.偶數(shù),奇數(shù) C.5的倍數(shù),偶數(shù)