Design and optimization of surface gas drainage and extraction well for underground high gassy low permeability thin seam张东升, 范钢伟, 任天祥4-7
Design and application of central control system to mine main ventilator with adjustable moving vane李永学8-11
Reconstruction of locomotive shunting system base on PLC and frequency converted speed controller张培友, 杨德星14-15
Practices on reconstruction of coarse cleaned coal recovery technique in Liangbei Coal Preparation Plant黄文锋, 李振涛, 余标飞, 豆伟16-18
Approximate calculation method to determinate normal tension screw bolt number and application高洪俊, 左咏梅, 李清扬, 马晓雨, 杨易凡23-24
