4Practice of Drainaging Methane from Goaf by Arranging Pipes in Tail Roadway of Fully - mechanized Caving Faces8-9
8Fire- fighting Technology Practice for Gassy Fully - mechanized Coal Winning Faces Goaf with Multi - air- leakage18-20
9Spraying Dust - suppressor System on Automatic Fully - mechanized Caving Faces Hydraulic Supports21-22
11Causes Analysis for Coal Seam Prone to Spontaneous Combustion in Yima Coal Field and Practice of Comprehensive Preventive Technology26-28
16Application of Electromagnetic Radiation to Continuously Monitor Rock Burst in Huafen Coal Mine39-41