1.
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。
2.
high-face room-and-pillar mining
高工作面房柱式开采
3.
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
4.
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
5.
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
6.
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
7.
triple-entry room-and-pillar mining
三进路房柱式采矿法
8.
retreating mining method
后退式开采法(采矿)
9.
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
10.
Research on Multi-Project Purchasing Mode and Information System in Large-Sized Real Estate Development Enterprise
大型房地产开发企业多项目采购模式及系统设计
11.
multiple opening-and-closing plankton sampler
复式开闭浮生物采样器
12.
advance workings
长壁前进式全面开采法;超前巷道;前进式开采面
13.
open-end method
(采矿) 敞开进路式矿柱回采法
14.
Discussing the Teaching Model on the Building Construction Course;
《房屋建筑学》课程开放式教学模式研究
15.
The Management and Quantization Study of Material Purchasing in Real Estate Developing Enterprise;
房地产开发企业材料采购管理与量化研究
16.
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
17.
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
18.
The area in a mine from which the mineral deposit is being or has been removed is stope. This is the productive area of a mine.
井下正在开采或已采完的矿段叫矿房。这是井下的生产区。