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通过高位钻孔瓦斯抽放技术在新集二矿E1808工作面的应用,找出了在地质条件较为复杂的工作面中,高位钻孔的合理层位及最佳钻场间距。
Through the application of high-level gas drainage technology to E1808 working face of Xinji No.2 Mine, the reasonable horizon of high-level boreholes and the optimal spacing of drill-holes in the complicated geological conditions are found out.