短语词组短语gun barrel drill 炮筒钻;翻译gun -crew drill 炮手操练gun n drill 枪孔钻carbide gun drill 硬质合金枪钻Gun drill regrinder 枪钻刃磨专用磨床Gun Drill Coolant System 简易深孔加工冷却系统carbide e gun drill 硬质合金枪钻Gun drill regrinding fixture 枪钻钻头刃磨夹具 返回 gun drill