2Practice and Feasibility Studies of Fully Mechanized Mining Home Made Equipment in Chensilou Colliery3-4
11Application of Grouting Plugging Technique of Boring and Hole Shaking for Preventing Underground Water Bursting24-25
13Practice of Extension-Storage Mining in Igneous Intrusion Zone of No.7 Coal Seam at Northern Wing of Mazhuang Colliery34-35