A.防塵板座直徑 B.軸頸直徑 C.防塵板座圓度 D.軸頸圓度
A.10 B.20 C.30 D.40
A.130+0.052+0.025 B.130+0.052+0 C.130+0.052+0.010 D.130+0.052+0.015