Significance and Principles for Arrangement of Gob Special-purpose Water-discharging Roadways纪海亮, 宋加宏, 孙化常18-19
Mining and Exploration of Roof-coal Caving Faces in the "Three-softs"and Unstable Thick Coal-bed with Great Dip Angle毛振彬, 王平均, 焦荣坤23-25
Application of Gei Inhibitors to the Fire-prevention and Fire-fighting of Sanhejian Coal Mine朱本杰, 郝圣艾, 张扬, 张世良25-26
Superficial View on the Sustainable Development Strategy of Coal Mining Areas in the Light of the Total Planning of Yushen Coal Mine Area丛山32-34
