xiaomutoululu 发表于 2010-11-7 10:24 + m: l, B, b5 C7 W0 @% D9 X 外圆113mm,内孔39.6+1到39.6+4,用广数车内孔时,怎么老是让刀?精车的余量是0.5mm。要分几刀车吗?我分2刀 ...