A.AFI2B.PROTOS M8C.PROTOS 1-8D.YJ216
A.齿数相等的直齿圆柱齿轮B.齿数不等的直齿圆柱齿轮C.齿数相等的斜齿圆柱齿轮D.齿数不等的斜齿圆柱齿轮
A.0.01B.0.02C.0.03D.0.04