2Enlarge Design and Construction of Special Large Coal Bunker (Group)in Shaft Bottom of Jining No.2 Mine5-8
8Test and Research on Low BTU Fly Ash Applied to Bolt Shotcrete Support System in Underground Mine Roadway26-29,32
11Screw Pipe Drill Applied to Freezing Bore Hole Drilling in Liangbaosi Mine Ventilation Shaft35-36,41