1.
Gateway Support Modes and Parameter Optimization of Fully Mechanized Top Coal Caving Mining Face in Soft and Thick Seam
软厚煤层综放工作面巷道支护形式与参数优化
2.
Comprehensive Gas Drainage Technology of Fully Mechanized Mining Face in Seam with Soft Roof,Soft Coal and Soft Floor
三软厚煤层综采工作面瓦斯综合抽采技术
3.
A research on highly efficient mining technology for use in extra long top coal caving logwall faces with big mining heights in soft,thick and gassy coal seams
高瓦斯松软厚煤层大采高超长综放工作面高产高效技术研究
4.
"Three soft" in thick Coal Comprehensive mechanization mining stent selection of importance
“三软”中厚煤层综采支架选型的重要性
5.
Research and Application on Synthesis Technology of Extinguishing and Preventing Fire in Mechanized Caving Face of Three-soft Coal Seam
“三软”易燃厚煤层自然火灾综合防治技术研究
6.
Study on Key Technologies of Reasonable Mining in the Condition of Soft Coal, Thick-hard Roof and Contiguous Seams;
软煤、厚硬顶板、极近距离煤层合理开采关键技术研究
7.
Application of Fully Mechanized Mining Technology with Caving of Roof Coal in "Three Soft" Large Clined Angle Thick Coal Seam Mining
综采放顶煤技术在“三软”大倾角厚煤层开采中的应用
8.
Analogue Simulation Research on Roof Moving Rule of Two Soft and One Hard and Largely Inequality Depth Coal Seam in Yunmei No.1 Coal Mine
云煤一矿两软一硬大厚差煤层顶板活动规律研究
9.
The Study of Mining and Supporting Technique for a Fully Mechanized Top Coal Caving Face in Extremely Soft and Easy Self-ignition Thick Seams;
极软岩、易自燃厚煤层综放面开采及支护技术研究
10.
Deep-hole construction technology of gas drainage for single low-pervious and mellow thick coal seams with water
单一低透松软含水厚煤层瓦斯抽放深孔施工技术
11.
Comparison 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
12.
Mining Technology of Thinner Coal Seam at Yu Jia-liang Coal Company
榆家梁煤矿中厚偏薄煤层的开采技术
13.
Theoretical determination of the section coal pillar's reserve-width in medium thick coal seam
中厚煤层区段煤柱留设宽度理论确定
14.
Gateway Layout Technology of High Gassy Thick Seam in Tunliu Mine
屯留煤矿高瓦斯厚煤层巷道布置技术
15.
Key Technologies on Fully Mechanized Top Coal Caving Mining of Ultra Thick Seam in Tashan Mine
塔山煤矿特厚煤层综放开采关键技术
16.
The support applicability in shallow seam mining covered by thick soil
厚土层覆盖浅埋煤层支架适应性分析
17.
From out the front windows one could see a deep, soft bedding.
从前窗向外看得见一层厚厚的、软软的雪。
18.
Study on the Roof Bedding Separation and Anchoring Effect of Extremely Thick Coal Seam Large Section Roadway;
特厚煤层大断面煤巷顶板离层及锚固效应研究