Analysis for Optimizing Mining Schemes in Middle-trough Mining Areas in Dafeng Open-pit Coal Mines王俊, 石振球6-7
Problems Existing and Countermeasures in Transferring Separate Mining to Continuous Mining刘宪权, 李志强, 史建华8-10
Application of Edge-dumping Technology to Huolinhe Southern Open-pit Coal Mines王大军, 杨巨文, 周连国, 马宏伟, 宋红梅15-16
Evaluation on Layout Principle for Draining Wells in Working Slope and Schemes Adjusting during the Later Period郭景忠, 秦文清20-21