短語詞組短語End -milling accuracy 端部銑平精度micro -end-milling 微細立銑削rail -ending machine -end-milling machine 鋼軌端面銑床end upd -type milling mveryine 床型臥式銑床ball -end milling cutter 球頭銑刀flat -end milling cutter 平頭立銑刀 返回 end-milling