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100字范文 > 急倾斜特厚煤层 steeply inclined and extremely thick coal seam英语短句 例句大全

急倾斜特厚煤层 steeply inclined and extremely thick coal seam英语短句 例句大全

时间:2021-03-12 03:40:32

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急倾斜特厚煤层 steeply inclined and extremely thick coal seam英语短句 例句大全

急倾斜特厚煤层,steeply inclined and extremely thick coal seam

1)steeply inclined and extremely thick coal seam急倾斜特厚煤层

1.Frequent and violent underground pressure behavior and dynamic disaster made roadways deform and damage instantaneously in full-mechanized caving mining face with horizontal sections insteeply inclined and extremely thick coal seam.针对急倾斜特厚煤层水平分段综放工作面回采巷道频繁出现强烈矿压显现和动力灾害造成巷道瞬间变形破坏现象,通过现场测试和理论分析研究动力灾害发生机理,采取综合防治措施,很好地解决了动力灾害问题,促进了矿井安全生产。

英文短句/例句

1.Safety top-coal-caving of heavy and steep coal seams under complex environment复杂环境下急倾斜特厚煤层安全开采

2.Study on Reasons of Rock Burst in Roadway and Prevention Technology of Steeply-inclined and Extremely Thick Coal Seam with Horizontally Slicing Way急倾斜特厚煤层水平分层开采巷道冲击地压成因与防治技术研究

3.Study on Gob-side Entry Retaining Technical with Horizontal Section Top Coal Caving in Steep-inclined and Very Thick Seam;急倾斜特厚煤层水平分段综放开采沿空留巷技术研究

4.Study on High Production and High Efficient Technology in Mining Special Thick Steep Seams in Yanbei Coal Mine;砚北矿急倾斜特厚煤层综放开采高产高效关键技术研究

bin gateway and pillar with fully mechanized top cawing mining technology in steep inclined special thick seam急倾斜较薄特厚煤层巷柱-综采放顶煤开采技术

6.Support Technology of Roadways Driving in Steep Middle Thick Coal Seam急倾斜、中厚煤层巷道掘进支护技术

7.Study on assorted technique of full-mechanized equipments for high-dipping thick Layer急倾斜厚煤层综放设备配套技术研究

8.Mechanism of Water-Coal Mixture Burst in Exploiting Steeply-Inclined Thick Coal Seam急倾斜厚煤层开采水煤体溃泄机理研究

9.Reasonable Mining Height of Full-mechanized Caving Mining in Softly Inclined and Extra-thick Coal Seam缓倾斜特厚煤层综放开采合理开采厚度的确定

prehensive analysis of coal break on steep and thick coal seam 102m section急倾斜厚煤层102m阶段煤体综放开采煤体致裂综合分析

11.Practice of Full-mechanized Caving Mining Face with Strong Underground Pressure in Softly Inclined and Extremely Thick Coal Seam缓倾斜特厚煤层强矿压矿井综放开采实践

12.Study on Failure Law of Surrounding Rock and Overlying Bed in Steep and Specially Thick Coal Seam Mining;急斜特厚煤层开采围岩与覆盖层破坏规律研究

13.Study on the Reasonable Retainning of the Waterproof Coal Pillar of Steep Medium & Thick Coal Seam with Hard Roof;急倾斜坚硬顶板中厚煤层防水煤柱合理留设研究

14.Stability Analysis and control of Longwall Caving Support System Inclined to Thick Coal Seam急倾斜厚煤层走向长壁综放开采支护系统稳定性分析及控制

15.Study on Gateway Top Caving Technology for Steep-inclined Coal Seam急倾斜煤层巷道放顶煤回采工艺研究

16.Analysis of Mining Steeply Inclined Coal Seam with Bursting Risk in Small Colliery小煤矿急倾斜突出煤层开采方法探析

parison of strata movement between section and slicing of top coal mining in steep and thick seams急斜厚煤层分层与分段放顶煤岩层移动对比

18.Study of Overburden Water Flowing Fractured Zone Height of Steep Seam Mining急倾斜煤层覆岩导水裂隙带高度研究

相关短句/例句

nasty-tilt to one side thick coal seam急-倾斜特厚易燃煤层

3)steep-inclined super-thick coal seam急倾斜持厚煤层

4)steep inclined thick seam急倾斜厚煤层

1.Support design of roof gateway with slicing method insteep inclined thick seam;急倾斜厚煤层分层开采顶板巷支护设计

5)steep medium-thick seam急倾斜中厚煤层

1.The mining method with longwall,strike and back, and management methods after mining insteep medium-thick seam are introduced,including using hydraulic prop,using three kinds of protecting mthods,and keeping rock wall beforehand,which is applied in retaining roadvays along goaf after mining.介绍了急倾斜中厚煤层走向长壁后退式采煤方法及采后管理的具体方法、方案及措施,即急倾斜中厚煤层采用单体支护,设好三防措施,在施工顺槽巷道时,提前预留石墙,做为采面回采后沿空留巷使用。

6)steep medium-thickness and high seam急倾斜中厚-厚煤层

1.Based on the application of artificial neural networks method, it sets up the artificial neural networks model for the evaluation on the degree of difficulty of top coal caving of roadway caving method insteep medium-thickness and high seam The model is made use of forecasting the technical-economic indexes of coal face and optimizing the technological parameters of roadway caving metho应用人工神经网络方法,建立了急倾斜中厚-厚煤层巷道放顶煤开采可放性评价的人工神经网络模型。

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