大家在查： Boothe 托米·哈斯佛法斯特 Panganiban XIXIAI Mercian Urun Pyin hl_yellow Corrigan

法回采

法回采

法回采

法回采

1

According to the conditions of seam No. 5 in Shifengshan Coal Mine , longwall face roof coal drawing method is chosen .

通过对峙峰山煤矿 5 号煤采煤方法的设计，提出了采用综采放顶煤法回采 5 号煤。

2

Numerical Analysis on Safety Thickness of A Roof for Top Pillar Recovery in Drift Mining

进路法回采顶柱其顶板安全厚度的数值分析方法

3

Analysis of Influence Factors on the Convergence of Stoping Drift in Sublevel Caving Method without Bottom Structure

无底柱分段崩落法回采巷道收敛的影响因素分析

4

Stability Analysis of the Artificial Roof in Drift Stoping of Crown Pillar

进路法回采顶柱人工假顶的稳定性分析

5

Monitoring and Analysis of Collapse Process of Overlying Rock Strata in Extraction by Caving Method

崩落法回采时顶板岩层崩落过程监测与分析

6

Recovery of Remnant Intervening Pillars with Common Room and Pillar Method

采用普通房柱法回采顶底间柱残留矿体

7

Exploration on Stoping Technology of Short-hole Shrinkage Method

浅孔留矿采矿法回采工艺技术探讨

8

Design Optimization and Application of Bench Open Stoping Scheme

阶段空场法回采方案设计优化及应用

9

Stoping orebody in the end of mined-out area with underhand sublevel openstope method

下向小分段空场采矿法回采空区端部矿体的实践

10

Extracting the residual coal with the method of whirling face

旋转调面法回采边角残煤

热词推荐

大家在看