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- coal pillars in island seam 孤岛煤柱
- The mechanical model of key strata supported by coal pillar is set up according to the layout of coal pillars in the coalface of short wall mining. 根据短壁开采条件下保护煤柱的布设特点,建立由保护煤柱支承的关键层力学分析模型。
- Mining Method under Coal Pillar in Close Distance Coal Seam 近距离煤层煤柱下的开采方法
- fully mechanized top coal caving mining face in island seam 孤岛综放面
- Analysis of layout of down- hill coal pillars in soft rock seam mining section 浅析软岩层采区下山煤柱留设
- TESTING STUDY ON MINING OF WATERPROOF COAL PILLARS IN THICK LOOSE BED AND THICK COAL SEAM UNDER ULTRATHIN OVERLYING STRATA 厚松散层及超薄覆岩厚煤层防水煤柱开采试验研究
- Brief analysis on mine roadway driving technology along next goaf with no coal pillar in inclined thick seam 倾斜厚煤层无煤柱沿空掘巷技术探析
- Research on surrounding rock deformation factors in gob-side entry driving of fully mechanized longwall top coal caving mining face in island seam 孤岛综放工作面沿空掘巷围岩变形因素研究
- Mining Practice of Fully Mechanized Mining Working Face in Lower Slice Through Upper Slice Coal Pillar in This Coal Seam 下分层综采工作面过本煤层上分层煤柱的开采实践
- There are only 250,000 people in Island. 仅仅有250,000人口居住于岛上。
- There was only just room to brush past the pillar in the crowd. 人群中挤得只能擦柱而过。
- The ill man had a pill and sat on the pillar in stillne until now. 那个坏人吃了一颗药丸后静止不动地坐在柱子上直到现在.
- The ill man had a pill and sat on the pillar in stillnessuntil now. 那个坏人吃了一颗药丸后静止不动地坐在柱子上直到现在.
- Numerical simulation research of reasonable width of coal pillars in fully mechanized sublevel caving coalface with steep gradient 大倾角综放面合理区段煤柱宽度数值模拟研究
- Keywords the coal pillar in gobs;full mechanized caving coal extraction;movement curve;movement growth gradient; 孤岛煤柱;综放开采;位移曲线;位移增长梯度;
- Study on Numerical Simulation of Spontaneous Combustion Temperature Field and Fire Source Position for Coal Pillar in Roadway 巷道煤柱自燃温度场数值模拟与火源定位的研究
- As regards air force, there are at present no modern aircraft in island. 至于空军,目前岛上没有新式飞机。
- Dividing partition coal pillars and region coal pillars, and selecting parameter are key to prevent disaster. 区分隔离煤柱和区内煤柱,选择合理开采参数,是防止灾变的关键。
- On the basis of these, the coal pillars can be kept stable by adjusting and controlling the destabilization conditions. 根据这些特性,可通过调控煤柱失稳条件使之不失稳,达到控制煤柱稳定的目的。
- HE Ye,PENG Fei,HU Xue-jun,et al.Monitoring and control of rock burst in island coving coal face[J].Journal of China University of Mining &Technology,2004,33(5):569-572. [4]何烨;彭飞;胡学军;等.;济二矿首例孤岛综放面冲击矿压监测治理[J]