短语词组短语twist flat drill 麻花平钻;麻糖平钻twist t drill 麻花钻;旋钻twist -drill cutter 麻花钻槽铣刀fluted twist drill [机]麻花钻taper twist drill 锥柄麻花钻twist drill grinder 螺旋钻头磨床;麻花钻磨床Hexagon shank twist drill 六柄麻花钻头 返回 twist drill