短语词组短语single narrative drill 纱卡single yarn drill 纱卡single seed drill 单粒播种机single flute drill 深孔钻;单槽钻single cuting drill 单刃钻single lipped drill 单刃钻头single twist drill 单槽麻花钻single e drill 纱卡其pad single drill 扎染纱卡布 返回 single drill