岩石巷道；爆破掘进；楔形掏槽；爆破参数；
Rock tunnel; Briving by blasting; Wedge-shaped cutting; Blasting parameters;
在楔形掏槽眼外侧的扩槽眼也要有角度以改善爆破效果。
The loosening holes outside the plough cut are also drilled at an Angle which improves the breakage possibility.
挪威掏槽与楔形掏槽相比，可以提供更可靠的每次爆破的进度。
The norwegian cut can provide more dependable advance per round than the plough cut .
挪威掏槽与楔形掏槽相比，可以提供更可靠的每次爆破的进度。
The norwegian cut can provide more dependable advance per round than the plough cut .
应用推荐