gear drill meaning in Chinese

矛状锥，剑尖锥

At present company product has " in treasure card " table drilling machine , vertical drilling machine , tapper , get milling machine , automatic feed drilling machine , gear drilling machine , auger attack amphibious machine tool , the 8 old series such as radial drilling machine , more than 60 kinds of breed
目前公司产品有“中宝牌”台式钻床，立式钻床，攻丝机，钻铣床，自动进刀钻床，齿轮钻床，钻攻两用机床，摇臂钻床等八大系列，六十多种品种。