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Abstract
With the decrease of exploitable coal resources, the coal resources of thick coal
seams are not much left. In order to find new coal resources, we have to look at thin
coal seams and even very thin coal seams. But for a long time, China's thin coal seam
mining technology is not mature enough, thin coal seam mining depression. In recent
years, with the successful development of auger mining machine, thin coal seam mining
gradually ushered in a new means. In this paper, I try t
螺旋钻采煤机推进机构的设计-4611字.pdf