矿柱回采
- 与 矿柱回采 相关的网络例句 [注：此内容来源于网络，仅供参考]
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It is a key for a high level pillar mining's success to prevent backfill from being destroyed.
充填体不产生大规模破坏是高阶段矿柱成功回采的关键。
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This paper offers a theoretical basis for the construction of the underground roadway near 1178 level and for the mining safety of the horizontal jamb. The research has instructional significance to the corporation's produce plan and decision-making.
研究成果为矿区1178附近分段道的安全施工和水平矿柱的安全回采提供了理论依据，对科学决策矿区的重大生产问题及合理制定未来的生产计划具有指导价值。
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The Research of Blasting Design in Jamb Exploitation Aided by CMS.
采用 CMS 辅助矿柱回采爆破设计研究。
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The action mechanism of back filling body and the control of back filling on rockbursts two parameters (stress release rate and average jamb stress) are researched in the thesis. The essence of filling reducing rockburst occurrence and increasing of recovery ratio is discovered.
本文研究了充填体的作用机理和充填对岩爆的两个控制参数-应力释放率和平均矿柱应力的控制，揭示了充填减缓岩爆发生、提高矿石回采率的内在本质。
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In the recent years, with the increasing excavation depth and the truth of double-level mining, drifts were strongly deformed and severely damaged in the second mine block in the Jinchuan mine. Some drifts couldn't be used normally even being repaired for many times. The geostatic emergence is very obvious. The crevasses in the surface have been occurred and enlarged quickly.
近年来，金川主力矿山二矿区随着采掘深度的不断加深以及双中段回采，水平矿柱与垂直矿柱已经形成，其地压显现明显，巷道工程变形破坏严重，个别严重地段经多次返修都无法正常使用，地表裂缝出现并加速扩展，采场与充填体时有冒顶发生。
- 推荐网络例句
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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.
在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。
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In fact,I've got him on the satellite mobile right now.
实际上 我们已接通卫星可视电话了
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The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.
世纪伟人邓小平的富民思想，是邓小平经济理论体系中的重要组成部分，是我国经济建设根本任务的一个重要方面。