短语词组短語End -milling accuracy 耑部銑平精度micro -end-milling 微細立銑削rail -ending machine -end-milling machine 鋼軌耑麪銑牀end upd -type milling mveryine 牀型臥式銑牀ball -end milling cutter 球頭銑刀flat -end milling cutter 平頭立銑刀 返回 end-milling