The research result shows that longwallminingmethod with hydraulic pressure frame supporting capping rock is the optimal mining proposal for the gently inclined and extremely thin iron mine.
研究证明,液压护顶长壁法是开采缓倾斜极薄类铁矿床最优的采矿方法。
2
The paper discusses the application and the effects of the coal miningmethod with retreating-longwall flexible shield support in steeply-inclined coal seam.