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- Keywords three soft coal seam;concentrated force;creeping way;infusing water to prevent outburst; 关键词三软煤层;集中应力;蠕变状态;注水防突;
- three soft coal seam 三软煤层
- three soft coal seams “三软”煤层
- "three soft " and unstable coal seam 三软不稳定煤层
- "three soft" in the thick coal seam “三软”中厚煤层
- "three soft" irregular coal seam “三软”不稳定煤层
- "three soft" unsteady thick coal seam “三软”不稳定厚煤层
- Usage and study on the powered support of "three soft" coal seam "三软"煤层综采液压支架使用与探析
- Soft Coal Seam Winning in High Gas Area 高瓦斯区松软煤层沿顶布巷综放回采
- The safe construction under the alluvium coal column of "Three Soft" coal seam "三软"煤层冲积层煤柱下安全施工
- Practice on the high degree support in the "Three Soft" coal seam tunnel 高强预应力支护在"三软"煤层巷道中的实践
- Research of bolting in soft coal seam with high earth stress 高地应力松软煤层锚杆支护应用研究
- Application of combined supporting in support removing supporters during "three soft" heavy coal seam mining 锚网索支护在"三软"厚煤层综放支架拆除中的应用
- Roof Control of Tunnls of Full-mechanized Caving Mining Face in Soft Coal Seam 软煤层综放工作面两巷顶板管理
- Technology of Gas Control in "Three soft" Coal Seam Excavate Working Face of Chaohua Coal Mine 超化煤矿"三软"煤层回采工作面瓦斯治理技术
- Foam Fluid's Application on Drilling in Soft Coal Seam for Gas Drainage 泡沫冲洗液在松软煤层中钻进瓦斯抽放孔的应用
- Mechanism of the rib spalling and the controlling in the very soft coal seam 极软厚煤层煤壁片帮与防治机理
- Experimental Study on Hole Sealing Technique for Injecting Water into "Three Soft" Coal Seam “三软”煤层注水封孔技术的试验研究
- Study on technique of coal seam infusion in soft coal at Xiandewang Coal Mine 显德汪矿软煤层综采工作面煤层注水工艺研究
- Attempt to revolved cave in the high inclined fully mechanized mining face with the "three soft" coal seam condition "三软"煤层条件下综采大角度旋转开采的尝试
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries