Study of the roadway of no . 6 coal seam position layout in shigouyi mining area 石沟驿矿区六层煤巷道层位布置研究
2.
The gravity drive is interpreted as the major cause of the northerly detachment along the coal layer in the proximity of the t9 boundary 以地震反射特征的明显差异为依据,结合区域地质特征,研究了鄂尔多斯地块西部南北向基底拆离形成的韦州石沟驿拆离滑覆构造。