1Analysis of Coal Mine Trackless Auxiliary Transportation Technology and the Development DirectionYUAN Xiao-mingSpecial Topic1-52Design and Application of a New Explosion-proof Diesel Engine Trackless Rubber-tyred Vehicle for Vertical Shaft Coal MineZHAO Hai-xingSpecial Topic6-113Research on Modularized Design Method of the Mine Trackless Auxiliary Transport VehicleWANG Zhi-weiSpecial Topic12-154Energy Conservation Control Technology Research of Flameproof Lithium Battery Electric VehicleHAO Ming-ruiSpecial Topic16-195Heat Dissipation Analysis and Improvement Design of Hydraulic System for a Large Slope Support TruckHE Jing-qiangSpecial Topic20-236Design and Research of a Rubber-tyred Tractor for Track Mine CarLIU Yu-rongSpecial Topic24-277Analysis and Control of Common Electrical Faults of JOY10SC32-48B Shuttle CarLIN Guang-xuSpecial Topic28-328Cause Analysis and Optimization of Eccentric Wear of a Hydraulic Driving Vehicle TireLIU De-ningSpecial Topic33-369Analysis on Development Bottlenecks of Trackless Rubber-tyred Vehicle for Mining and the CountermeasuresLIU Zhi-gengSpecial Topic37-3910Thoughts on the Reduction of Solid Wastes in Green Mine ConstructionFENG Guan-xue, GUO Da-lin, WEI Zhong-kuanDesign Technology40-4211Study on the Reasonable Section Coal Pillar Width for Fully Mechanized Caving Face with Hard Roof and Extra-thick Coal SeamWANG Kang, LAI Xing-ping, GUO Jun-bing, CUI FengDesign Technology43-4712Selection and Application of Support for Broken Roof Working Face in Ultra-close Coal SeamDUAN Si-yuDesign Technology48-5013Application Design of Long-distance Horizontal Turning Belt Conveyor in Feitan Coal MineYU HongDesign Technology51-5514Analysis on Special Cases of Economic Stripping Ratio Applied in Open-pit Coal MineFAN Zheng-xiangDesign Technology56-5915Research on Optimization of Steering Scheme in Xinjiang Tianchi Energy South Open-pit MineWANG Shao-hui, CAI Qing-xiang, ZHOU Wei, LIU Fu-ming, LU XiangDesign Technology60-6416Technical and Economic Analysis on Modular Conveyor GalleryGUO Qing-hua, ZHANG Li, NI Shi-huaDesign Technology65-6717Research on Key Construction Technology of Large Diameter Raise Boring Through Special StratumJING Guo-yeConstruction Technology68-7218Instant Inspection Technology of Large-scale Burnt Rock Curtain Pre-grouting ProjectCHAI Jian-lu, JI Zhong-kui, YANG Fan, ZHANG Chi, REN Zhi-zhi, YANG Zhi-bin, LUO An-kunConstruction Technology73-7719Study on Road-side Support Technology of 6m High Cutting Working FaceLI Xiao-bai, PAN Hai-bing, SHI Jing-shuai, LEI Ping-boConstruction Technology78-8120Research and Practice of Cutting Pole Protection for Narrow Coal Pillar in Thick Coal Seam Section of Changping Coal MineYANG Zhu-junConstruction Technology82-86 