Directing to the problems existing in goaf roadway in soft rock roadway, find out the optimum solvent and make goaf roadway technology all_round way spread.
针对沿空送巷在软岩地区存在的几个问题，提出解决措施，找到解决问题的最佳办法，使沿空送巷技术得到全面推广。
Mine engineering and technical personnel through continuous exploration and practice, in the soft rock roadway technology, a success.
二矿工程技术人员经过不断探索与实践，在软岩巷道支护技术方面，取得了成功。
Based on the measured results of the displacement of deep soft rock roadway in MaLuPing mine, the deformation characteristic of the surrounding rock is analyzed.
文章根据马路坪矿深部软岩巷道表面位移的实测结果，分析了巷道围岩变形主要特征。
应用推荐