【摘要】 用模拟试验结果，调整露天矿深孔爆破参数，并进行了工业试验，获得了显著的经济效益。更多还原

【Abstract】 Based on the results of modelling blasting tests, the long-hole blasting parameters of an open-pit mine were adjusted. The in-situ experiments were performed. Finally, obvious economic benefit was ob-tained.更多还原