爆破孔 meaning in English
blast hole
blasthole
shot hole
shothole
Examples
- Analysis on preliminary shock pressure on borehole of air - de - coupling charging
空气不耦合装药爆破孔壁冲击压力分析 - The application and effects of hole - bottom detonating in medium - length hole blasting
论中深孔爆破孔底起爆的实施和应用效果 - Blasting hole drilling
爆破孔钻机 - Improvement of detonation propagat ion of decked charges in a smooth blasting hole and its application
光面爆破孔内间隔装药传爆方法的改进与应用 - In the light of the change of the rock mass structure and blasting conditions and the application of new explosives in lanjian iron mines pit , tests were carried out on charges loading structure , blasting hole spacing pattern parameters and blasting methods . the optimized rational blasting parameters greatly improved the blasting efficiency , which led to good economical benefits
针对兰尖铁矿采场岩体结构、爆破条件等的变化及新型炸药的使用，开展了装药结构、爆破孔网参数及爆破方法试验，优化确定了合理的爆破参数，使爆破效率大幅提高，取得了良好的经济效益。