inserted drill

英 [ɪnˈsɜːtɪd drɪl] 美 [ɪnˈsɜːrtɪd drɪl]

网络  镶刃钻头; 硬质合金钻头

机械



双语例句

  1. A plug had been inserted in the drill hole.
    钻孔已塞上了塞子。