您要查找的是不是：
- Intoduces that uses breeding fire prevent and cure technology to reduce distribution air volume, quicken workface promoted speed, in high seam mining, it may remove breeding fire accidents in roadway. 介绍了厚煤层开采中采用减少配风量、快工作面推进速度、少采空区遗煤、空区灌浆、氮、采结束的采空区防火技术,能够消除巷道自燃发火事故。
- Intoduces that uses breeding fire prevent and cure technology to reduce distribution air volume,quicken workface promoted speed,in high seam mining,it may remove breeding fire accidents in roadway. 介绍了厚煤层开采中采用减少配风量、加快工作面推进速度、减少采空区遗煤、采空区灌浆、注氮、回采结束的采空区防火技术,能够消除巷道自燃发火事故。
- gently inclined high seam mining method 缓倾斜厚煤层采煤法
- inclined high seam mining method 倾斜厚煤层采煤法
- Calculations of High Seam Mining Shield Working Resistance Under "Hard Roof and Coal" Conditions "两硬"条件大采高液压支架工作阻力计算
- high seam mining method 厚煤层采煤法
- super high seam mining method 特厚煤层采煤法
- high seam mining 大采高
- From analyzing coal-gas abstracts gas process, we contrasted and analyzed gas gushing rate from working face at high seam in slices and moveable mining. 从分析煤体瓦斯源解吸瓦斯过程出发,对厚煤层分层开采与综放开采两种开采方式下,工作面瓦斯涌出量作了量化对比分析。
- Water-coal mixture burst is a new mine disaster in exploiting steeply inclined thick coal seam mining. 摘要急倾斜厚煤层开采时发生的水煤体溃泄是一种新的矿井灾害。
- The high seam drill 2000 is stainless steel construction and the cylinder rods of the 1st inner legs of the stinger and drill leg are stainless steel. 此厚煤层钻2000为不锈钢结构，且刺和钻支架的一级内支架所属的活塞杆也是不锈钢的。
- Abstract: The influence factor of spontaneous ignition on coal seam mining and protective measures in Yangquan mine No.3 shaft are approached. 文摘:分析了阳泉矿区三矿井田煤层开采对自燃着火的影响因素，探讨了预防煤层的自燃着火的开采技术措施。
- The influence factor of spontaneous ignition on coal seam mining and protective measures in Yangquan mine No.3 shaft are approached. 分析了阳泉矿区三矿井田煤层开采对自燃着火的影响因素，探讨了预防煤层的自燃着火的开采技术措施。
- In the process of Shanxi formation seam mining in Shaqu Colliery,the seam roof and floor sandrock aquifers constitute the direct discharge aquifers. 沙曲煤矿山西组煤层开采过程中,煤层顶底板砂岩含水层构成煤层开采时的直接充水含水层。
- Based on the recent years mining practice,study the technical management problems in thick seam mining,accumulate some actual experiences in roof management in thick seam,adopt the efficient technical measures and achieve the good result. 通过多年的开采实践 ,作者着重研究了厚煤层开采的技术管理问题 ,在厚煤层开采顶板管理方面积累了一些实际经验 ,采取了行之有效的技术措施 ,收到了较好的效果
- In this paper,the experiment of mining following cutting rock fill with level delamination and cementation floor for inclined seam mining in Maozaiwan mine area,Tongshanling Mine is introduced. 介绍了水平分层胶结底板上向分采充填法在铜山岭矿猫崽湾矿区倾斜极薄矿脉中的开采试验情况。
- This mining technology is innovations in the layout of this kind working face,mining method and technologies act and solves many technological difficult problems for the thin coal seam mining. 该开采技术在工作面巷道布置、开采机械、采煤方法、回采工艺等开采技术上进行综合创新,解决了薄煤层开采的技术难题。
- Through comparing calculation of two plan which are mining overall height in one times and shise mining, the optimum one suitake for thick coal seam mining in Dongrong No.3 Coal Mine is determined. 通过一次采全高和分层开采两个方案的比较计算，功定了适合东荣三矿厚煤层开采的最佳方案。
- In solving the problem of deformation in surrounding rocks of the overlying coal entry caused by upper protective seam mining, reinforcing the surrounding rocks by grouting is a feasible method. 摘要为了解决下保护层开采对上覆煤层巷道围岩变形的影响，采用注浆加固巷道围岩是一种可行的方法。
- She skirted round the problem of the high cost. 她避而不谈巨额费用问题。
