1.
Research on the roadway stability under closed distance seam group
近距离煤层群开采下巷道稳定性研究
2.
Stability Analysis of Mining Gateway under Seam Group Mining with Closed Distance Between Seams in Cuijiazhai Mine
崔家寨煤矿近距离煤层群开采巷道稳定性分析
3.
Rational Roadway Layout Pattern for Mining Coal Seam Group with Close Quarters in Hedong Colliery
河东煤矿近距离煤层群开采巷道合理布置方式
4.
Close-up coal mining stope support pressure distribution study
近距离煤层群开采采场支承压力分布规律研究
5.
The Law of the Earth's Surface Movement of Crowd Exploitation on Closely Horizontal Coal Seam;
近水平煤层群开采地表移动规律的研究
6.
Study on the Surrounding Rock Controlling Technology of Floor Roadway under Closed Distance Coal Seam Group;
近距离煤层群开采底板巷道围岩控制技术研究
7.
Engineering practice of removing outburst in the area of protective layer mining first during multi seam mining in coal and gas outburst mine
突出矿井煤层群开采首采保护层区域消突技术实践
8.
New Research on Overlying Coal Seam Effects Induced by Nether Super-thick Coal Seam Exploitation in Coal Group
煤层群下伏特厚煤层综放开采对上覆煤层影响的技术探讨
9.
Research of near range overmining of Qinghemen coal mine
清河门矿近距离煤层群上行开采技术
10.
A General Discussion on Layout of Workings in Hydromining Composite Seams with a Large Dip Angle
水力开采大倾角煤层群巷道布置的探讨
11.
Practice of Mining Protective Seam in Thick Coal Seam Group and Methane Pre-extracted to Prevent Methane and Coal Outburst
特厚煤层群保护层开采与瓦斯预抽采防突技术的实践
12.
Research and Application of Coal Seam Strip Mining Method with the Huge Thick Soil Layer under Buildings;
建筑群下特厚松散覆层煤层条带式开采方法的研究与应用
13.
the part of a coal seam that is being cut.
正在被开采的煤层截面。
14.
Technology of "Coal and Gas Simultaneous Extraction" for High Gassy Coal Seams Group
高瓦斯煤层群“煤与瓦斯共采”技术研究
15.
CBM Development and Utilization for Green Exploitation of Coal Mine
开发利用煤层气 实现煤矿绿色开采
16.
On Thin Coal Mining and Application of Plow Coal Technology
我国薄煤层开采及刨煤机采煤技术的应用
17.
Theory and practice of integrated pillarless coal production and methane extraction in multiseams of low permeability
低透气性煤层群无煤柱煤气共采理论与实践
18.
The question on the multi- seam mining under closely spaced architectural complex in city and its countermeasures
城市密集建筑群下多煤层开采存在的问题及对策