常見例句Suitable for grinding the point of twist drill. 使用于麻花鉆頭機(jī)磨頂角。HSS twist drill bit. Packed in round plastic case. 塑筒裝高速鋼麻花鉆。For making twist drill and straight flute drill. 制造麻花鉆和直槽鉆。Most drilling in metal is done with a twist drill. 大多數(shù)金屬鉆孔用的是麻花鉆頭。A twist drill is designed to drill a hole which has a particular size. 麻花鉆用來鉆削具有一定尺寸的孔。Suitable for grinding the clearance of twist drill and square shank of taps. 使用于麻花鉆頭刃背削和絲錐方柄磨削。 返回 twist drills