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介绍了缓倾斜厚煤层分层炮采工作面人工顶板材料选择的3项原则,并结合鹤壁五矿使用人工顶板材料情况进行了分析比较,选出了适合该矿生产条件的人工顶板材料。
This paper introduces three principles of artificial roof material selection in stratified mining artillery mining face with gently inclined thick seam and analyzes and compares with the artificial roof material in Hebi Minmetals. The artificial roof material suitable for the production conditions of the mine is selected.