5Construction Technology of Over - Winding Device for Mine Hoist System in Old Auxiliary Mine Shaft of No.6 Mine16-17,9
9Research and Practices on Mine Shaft Sinking Technology with Artificial Surrounding Rock Wall Method in Rich Water and Pressurized Gravel Stratum of Tertiary System24-26
10Research and Practices on Mine Shaft Sinking Technology in Mining Subsidence Area for Yangdong Mine Air - Return Shaft27-29
12Application of Mechanized Operation Line to Rapid Construction of Mine Rock Roadway and Inclined Roadway33-35