A.靜載荷 B.沖擊載荷 C.交變載荷 D.動載荷
A.0.01~0.015mm B.0.02~0.03mm C.0.04~0.05mm D.0001~0.005mm
A.粗研磨孔 B.精研磨孔 C.半精研磨孔 D.細研磨孔