Application prospect of the semi - continuous excavating technique used in opencast coalmine in China郑友毅, 马培忠7-8
Discussion of the effect of inertial force on the antislip balance weight caused by the rope and the friction wheel in friction hoisting李书兴, 李明16-17
Talk about the long- distance belt conveyor driven by hydraulic motors at multipoint along the conveyor姚化利, 刘朝阳22-24
Load test and analysis of the surface antideformation house influenced by the coal mining of fully mechanization using the bulk caving method张俊英31-33
