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中厚煤层     
相关语句
  medium-thickness seam
     Inclined Medium-thickness Seam Mining Method
     急倾斜中厚煤层开采方法
短句来源
     On Technology with Gas Prevention and Control of Gob-side Roadway Excavation in Medium-thickness Seam
     中厚煤层沿空掘巷瓦斯防治技术初探
短句来源
     The rock pressure law and support loading character at height output, height efficiency work face in the thin and medium-thickness seam
     中厚煤层高产高效综采面矿压规律及支架承载特征
短句来源
     Application of Shortwall Mining Method Along Strike in Medium-Thickness Seam with Great Dip Angle
     大倾角中厚煤层推行走向短壁采煤法的实践
短句来源
     The article introduces the shortwall mining method along strike in medium-thickness seam with great dip angle,which is based on individual hydraulic prop and has brought great economic effect.
     在大倾角中厚煤层推行走向短壁采煤方法,使用单体液压支柱,取得较好的技术经济效果。
短句来源
  middle thick coal seam
     Practice on creating high production and efficient face in the single mining field of the single middle thick coal seam
     单一中厚煤层单翼采区创高产高效工作面实践
短句来源
     High productivity and high efficiency practice of economic fully mechanizedmining in deep-seated middle thick coal seam
     井田深部中厚煤层经济型综采高产高效实践
短句来源
     Approach on large mining height at middle thick coal seam
     中厚煤层大采高回采工艺探讨
短句来源
     The problems existing in the opereation of 3.5 m single hydraulic prop used in middle thick coal seam and coal seam inclined angle at 5~15° are analyzed,put forward the technolygical measures and provide the practical experience.
     分析了 3 5m单体液压支柱在中厚煤层、煤层倾角在 5~ 15°条件下生产过程中存在的问题 ,提出了技术管理措施 ,为在倾斜长壁开采中推广使用 3 5m单体液压支柱提供了经验。
短句来源
  middle and thick coal seam
     Approach on combined mining technology at large inclined angle middle and thick coal seam
     大倾角中厚煤层综采技术初探
短句来源
     At middle and thick coal seam, adopting II type beam top - coal drawing method, make slicing mining into mining the whole height in one times so as to drop the cost of per ton and relax the difficulties of contineous mining.
     在中厚煤层中,采用П型梁放顶煤的方法,使得分层开采变为一次采全高,从而降低吨煤成本,缓解小搂续紧张难题。
短句来源
     Based on the combined mining practice at the middle and thick coal seam 18~31° inclined angle in Xinji No. 2 Coal Mine,the relative process characters and technical measures are introduced.
     通过淮南国投新集二矿在 18~ 31°的大倾角中厚煤层的综采实践 ,介绍了相关工艺特点及工艺技术措施
短句来源
  medium thick coal seam
     Optimization Design of Mining Technique in High Outputs and High Efficiency Mining Face in Medium Thick Coal Seam
     中厚煤层高产高效工作面采煤工艺优化设计
短句来源
     Application of Storage Mining Method in Deeply Inclined Medium Thick Coal Seam
     仓储式采煤法在急倾斜中厚煤层中的应用
短句来源
     Application of Single Hydraulic Supports with Suspension Type of Force Plunger in Medium Thick Coal Seam with Big Inclination
     柱塞悬浮式单体液压支柱在大倾角中厚煤层中的应用
短句来源
     Based on model of “structure of elastic plate and hinged plate” the method for calculating the ground pressure in the workings of medium thick coal seam is applied to calculation of roof weighting in sub level caving face.
     基于“弹性板与铰接板结构”力学模型,把中厚煤层开采中采场矿压计算的分析方法推广到放顶煤工作面顶板来压计算中;
短句来源
     The adaptability of full-mechanized powered support in medium thick coal seam under the geology condition of coal seam in Wanbei minefield is studied and the rule of support design,equipment selection and mating in working face and the safety and technology measures in use are put forward.
     结合国内外液压支架发展趋势,研究了皖北矿区煤层地质条件下,中厚煤层综采工作面液压支架适应性,提出液压支架设计、工作面设备选型配套原则以及使用中应采取的安全技术措施。
短句来源
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