Teaching about the life of dongshan liangjia 洞山良价的生命论
2.
Technological practice of roadway support in liangjia coal mine of longkou mining area 龙口矿区梁家煤矿巷道支护技术实践
3.
Analysis of the reformation on electric - control system of engine hoist in liangjia coal mine 梁家矿提升机电控系统改造探析
4.
Finite element numerical simulation of ground subsidence in liangjia colliery 梁家煤矿地表移动的有限元数值模拟与参数反分析
5.
Exploration forecast of goaf water and its treatment in no . 2210 working face of liangjia coal mine 梁家煤矿2210工作面老空水探查预测与治理
6.
Optimum selection of extensive deepening of next group coal in liangjia coal mine and application of subdivision extensive deepening way 梁家煤矿下组延深方式的优化选择及分区延深方式的应用
