• This all happened inside a facility that does what's called longwall mining.

    事故发生在进行长开采的设施

    youdao

  • This model provides a unified idea and method for study of pressure in longwall mining and strata movement.

    组合岩梁模型建立,采场岩层移动研究提供了一种新的思想方法

    youdao

  • The ventilation system provides a new method to realize the safe and efficient mining of high gas longwall mining with sublevel caving.

    这一通风系统其他高瓦斯综放安全高效开采提供了新的技术途径

    youdao

  • The influence of staggered distance on the failure of floor strata in double-longwall mining on the confined aquifer is local and temporary.

    承压水体上对拉面开采底板岩层破坏影响只是局部暂时性的。

    youdao

  • By field observation and simulating test of shallow seam longwall mining, the phenomenon of main roof asymmetry breaking is discovered during the first weighting.

    依据典型浅埋煤层工作面的实测模拟发现了采场老顶初次非对称现象

    youdao

  • Based on the model of mechanics, some functional formulae of strata and surface movement above longwall mining goaf are derived by using the displacement method of theory of elasticity.

    本文力学模型基础上,利用弹性理论位移函数导出了采煤法采空区上方岩层地表移动函数表达式,同时给出了岩层及地表最大移动值的计算公式。

    youdao

  • The research result shows that longwall mining method 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开采倾斜类铁矿床优的采矿方法

    youdao

  • The new technique increases the efficiency of longwall panel mining.

    这种技术提高盘区采矿效率

    youdao

  • Through the detail introduction on optimization of raining method in Shandong Wangcun Bauxite Mine, this paper puts forward a new mining method——longwall caving with artificial roof pillar.

    通过山东王村铝土矿采矿方法优化介绍提出一种新的采矿方法——人工顶柱无底长壁式崩落法

    youdao

  • The paper regards the main roof strata in uphill and downhill mining of an inclined longwall as a elastic plate.

    本文将倾斜长壁仰、俯开采岩层视为倾斜弹性板。

    youdao

  • The paper introduced the size, equipment, gateway arrangement and production of the fully mechanized longwall coal mining faces at home and abroad.

    介绍国内外长综采工作面的尺寸设备回采巷道布置工作面单产现状及发展趋势

    youdao

  • The paper introduces the background, the technical difficult, the general design and the operation of technical transformation in Xiagou coal mine with longwall top-coal caving mining.

    介绍了下煤矿综放技改合作项目缘由、技术难点总体技术设计以及项目运作与体会。

    youdao

  • During mechanical longwall top coal mining, the gas permeability in top coal ahead of working face has bigger difference compared with slice mining due to the increase of mining height.

    综放开采由于采高加大,导致采场前方顶煤瓦斯渗透性分层开采较大差异

    youdao

  • The paper gives a brief account of the use and developing tendency of the inclined longwall coal-mining at home and abroad.

    本文主要介绍国内外倾斜采煤法使用概况发展趋势

    youdao

  • A new type self-walking advance timbering support set is adopted in longwall coal mining face of Halagou coal Mine, Shendong coal District by Shenhua Group co.

    神华集团神东矿区哈拉沟煤矿工作面回风巷中采用了一种新型自移超前支护支架

    youdao

  • The key technology of longwall remaining coal pillars support mining is to distinguish two kinds of coal pillars of different character between regional coal pillar and isolated coal pillar.

    留煤柱支撑开采关键技术区分不同性质煤柱,即区内煤柱区域隔离煤柱。

    youdao

  • The mining practice of sub-level longwall face in Yima coal mine of Henan Province was introduced. These techniques could be used in coal mines with similar condition.

    开采结果表明,论文提出岩层结构的认识采取的控制技术正确的,可以条件相似矿区推广应用

    youdao

  • The paper discusses the application and the effects of the coal mining method with retreating-longwall flexible shield support in steeply-inclined coal seam.

    叙述走向长壁后退式柔性掩护支架采煤急斜煤层中的应用效果

    youdao

  • The paper discusses the application and the effects of the coal mining method with retreating-longwall flexible shield support in steeply-inclined coal seam.

    叙述走向长壁后退式柔性掩护支架采煤急斜煤层中的应用效果

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定