1.
high-face room-and-pillar mining
高工作面房柱式开采
2.
triple-entry room-and-pillar mining
三进路房柱式采矿法
3.
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
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.
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
6.
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
7.
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
8.
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
9.
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
10.
The Discussions About Design Problems Of The Steel Column-removed Portal Frame;
对抽柱门式刚架厂房一些设计问题的探讨
11.
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
12.
Discussion on the choice of multistory steel frames workshop column section type
多层钢框架厂房柱截面形式选取的探讨
13.
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。
14.
an upright in house framing.
房屋构造中的一种柱子。
15.
This strut braces the beam.
这根柱子支撑房梁。
16.
These posts support the roof.
这些柱子支撑着房顶。
17.
There is a skeleton in every house.
每座房子都有支柱。
18.
layered column chromatography
层叠式柱色谱(法)