column method是什么意思

网络释义

用法例句

triple-entry room-and-pillar mining

三进路房柱式采矿法

open-end method

(采矿) 敞开进路式矿柱回采法

pillar robbing

【采矿】回收矿柱法

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

Mine Pillars Mining with Small-scale Coal Mining Approach in Small Coal Mine

小型煤矿采用小进路采矿法的矿柱回采

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

Mining design procedures of the deep mining process sublevel caving stoping method

无底柱分段崩落采矿法回采设计方法

retreating mining method

后退式开采法(采矿)

The upward horizontal slice stoping and filling without intervening pillar is the main mining method in Huangshaping Pb-Zn Mine.

上向水平分层充镇无间柱采矿法是黄沙坪铅锌矿的主要采矿方法。

Development of MCAI Courseware for Sublevel Caving;

无底柱崩落采矿法的MCAI课件的开发

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

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

An Analysis of Management of Ceiling Boards of Mining Way in House-post of Dounan Mine

斗南矿区房柱采矿法顶板管理问题初探

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

A new method for the mining of gentle dip and mediun thickness orebody

缓倾斜中厚矿体的一种新的采矿方法——深孔放顶连续回采房柱法

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

Integrated Technology of Middle Pillar Stoping Under Dry Filling Materials

干式充填体下中段矿柱回采综合技术研究

The Shrinkage-breasting method with artificial spacing pillars constructed and its application to the mining of dip and medium thickness orebody

间隔人工间柱留矿全面采矿法在倾斜中厚金矿体的应用