1.
Feasibility study for light-supports applied in thinner thick-seam
轻型放顶煤支架在较薄厚煤层中应用可行性研究
2.
On fully-mechanized long-wall face coal mining technology for thin and rather-thin middle-thick coal seam
薄及较薄中厚煤层综合机械化长壁开采研究
3.
Combin 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
4.
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
5.
Overlying Strata Removing Regulationg of Unstable Thick Soil Layer Thin Bedrocks Shallow Coal Seam and Support Resistance Confirmation;
不等厚土层薄基岩浅埋煤层覆岩移动规律及支护阻力确定
6.
Study on Completed Equipment of Thinner Seam High Efficient Fully Mechanized Mining Face;
较薄煤层高效开采工作面设备优化配套研究
7.
Study on Retaining Safety Coal Pillar Against Sand with Fully Mechanized Caving under Thick Alluvium and Thin Bedrock;
厚松散层薄基岩下综放开采留设防砂煤岩柱研究
8.
A Study on the Law of Rock Movement and Soil Variation in Mining of Coal Seams of Thick Loess and Thin Bedrock
厚黄土薄基岩煤层开采岩移及土壤质量变异规律的研究
9.
Crawley midget miner
克劳雷薄煤层采煤机
10.
Study on the Movement of Surrounding Rocks during Shallow Thinner Seam Mining in Shi Getal Coal Mine
石圪台煤矿浅埋较薄煤层开采覆岩运动规律研究
11.
best charcoal tin plate
最优厚锡层镀锡薄钢板
12.
The thicker coal seams are located in a 10-15 kmwide belt along which the channel meanders.
较厚的煤层位于河道发生弯曲的、宽10-15公里的地带内。
13.
A Study on Mining Technology Transformation of Shorter Longwall Face in Large Inclined Angle and Complex Coal Seam with Dirt Band
含厚夹矸大倾角复杂煤层较短工作面工艺转换研究
14.
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
15.
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
16.
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
17.
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
18.
Power Supply Plan for Thin-layers in Fully-mechanized Mining
煤矿井下薄煤层综采工作面供电方案