Discussion of subsidence mechanism and strata movement model about stripe mining under thick soil layer宋常胜, 赵忠明, 李洪波, 李德海, 张四辈161-164
Similar material simulation study on the mining overburden movement law in steep seam汪成兵, 张盛, 勾攀峰, 张义顺165-167
Study on forming a set of equipment of comprehensive light-duty supports for sublevel caving coal mining and its mining technology晋新林, 岑奕168-171
The preventing and contoplling water hazards in small coal mines in coal fields of Yima coal mining(Group)Co.Ltd.李松营, 杜毅敏, 孙晓震, 曹少娟184-186
The influence of Shanxi Formation sedimentary environment in No.2 Coal Mine of Pingdingshan赵群华, 王可, 王琳187-189