A.0.25% B.0.60% C.1.22% D.2.11%
A.基孔制間隙 B.基軸制間隙 C.基孔制過渡 D.基軸制過渡
A.傳動(dòng)效率高 B.靈敏度高 C.壽命長(zhǎng) D.自鎖性好