Serial blasting crater test method was used in underground medium and deep hole mining of Dahongshan copper mine for determining drilling and blasting parameters, and good results were obtained.
大红山铜矿地下中深孔采矿中，采用系列爆破漏斗试验方法确定中深孔采矿凿岩爆破参数，取得了较好的效果。
In this paper the author of underground coal mine deep hole blasting technology in this paper.
本文笔者就其中井下煤矿深孔爆破施工技术进行阐述。
Through the optimization study, an optimized scheme suitable for the underground deep-hole blasting in Daye Iron Mine , was obtained.
经过优化研究，得出了适宜于大冶铁矿井下中深孔爆破的优化方案。
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