methane-drain 相关硕士博士期刊学术论文 - 搜论网

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Effectiveness analysis of methane-drainage by deep-hole controlled pre-splitting blasting for preve

<正> In the study of the application effectiveness of deep-hole controlled pre-splittingblasting technology,it was found......

期刊

预裂爆破技术煤与瓦斯突出深孔控制效果分析绝对瓦斯涌出量实验室试验引流甲烷 coal and gas outburst methane-drain

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