1The Achievement Obtained from Dense Medium Coal Preparation Technology Innovation in China and Its Major Development Direction1-2
15Renovation and Practice of Coarse Coal Slime Recovering System in Jiexiu Coal Preparation Plant31-32
17Preliminary Analysis on Reformation of Material Discharge System Fit on LTG-15 Jigging Machine34-35
18A Preliminary Approach Made to the Renovation of Coal Slurry Treatment System Employed in Taixi Coal Preparation Plant36-38
19A Feasibility Approach Made to Raw Coal Cleaning by All Dense Medium System of Huaibei Coal Preparation Plant38-39