1.
high-face room-and-pillar mining
高工作面房柱式开采
2.
Principal Technology Study on Pillor Mining under the System of Room and Pillor Mining;
房柱式开采体系煤柱回收关键技术研究
3.
Study the technique of caving hanging roof in the condition of hard roof of room-and-pillar mining.;
房柱式开采坚硬顶板条件下悬顶放顶技术研究
4.
Research on Longwall Rigid Separating Pillar Mining Technology of Small Colliery in YSF Field;
榆神府矿区小煤矿长壁布置刚性隔离煤柱房柱式开采研究
5.
Study on Disposition Method of Huge Goaf in Room-And-Pillar-Mining in Pingyi Gypsum Colliery;
平邑石膏矿房柱式开采大面积采空区处理方法研究
6.
Study on the Damage patterns and Mechanism of Mined-out Area in Mines using Room-and-Pillar Mining Method
房柱法开采矿山采空区失稳模式及机理
7.
triple-entry room-and-pillar mining
三进路房柱式采矿法
8.
Lots of coal mines in neimenggu use the system of room and pillar and exploits only rooms but not pillars.
内蒙古地区很多煤炭生产基地多利用房式开采体系，只采煤房，不采煤柱。
9.
open-end method
(采矿) 敞开进路式矿柱回采法
10.
Concrete column as substitute for ore pillar in room-and-pillar mining
人工混凝土柱代替原生矿柱在房柱法开采中的应用
11.
Application of Slice and Room-and-Pillar Mining with Overcut in Mofang Mine
分层开采的切顶房柱法在磨坊矿的应用
12.
Application of Room and Pillar Mining Method in Under-sea Deposit
分矿房矿柱分层充填法在海底开采中的应用
13.
Research on Dynamic Controlling of Ground Pressure For Room and Pillar Mining and Application of Artificial Intelligence;
房柱式采矿地压动态控制及人工智能应用研究
14.
Analysis self-stability of the room and pillar type mined-out area in the level or gently inclined strata
水平或缓倾斜地层中房柱式采空区自稳性分析
15.
Study and Practice on the Coal Mining Technology of the Rooms & Pillars Mining Mechanization Operated with Continuous Miners;
连续采煤机房柱式短壁机械化采煤技术的研究与实践
16.
Study on Technology of Top-coal Caving Mining of Lane Pillar in 3.5～10m Steeply Inclined Coal Seam;
3.5～10m急倾斜煤层巷柱式放顶煤开采技术研究
17.
FE Dynamic Simulation Analysis of in Under-Sea Point Pillar Mining
海下点柱式开采的有限元动态模拟分析
18.
Optimization of the Design of Mining Area and to Mine Reasonably the Coal-Pillar of Mine Surface Plant;
优化采区设计 合理开采工业广场煤柱