lewis cut

英 美
  • 楔形掏槽
  • cut v.切;割;剪;削减;伤害;切牌n.切口;切;式样;剪辑
  • lewis n.吊楔Lewis.n.刘易斯(男子名)
    1. The loosening holes outside the plough cut are also drilled at an angle which improves the breakage possibility.
      在楔形掏槽眼外侧的扩槽眼也要有角度以改善爆破效果。