1.
Study on No Coal Zone in Xiaokang Mine Field of TieFa Mining Group Co.;
铁法矿业集团小康煤矿井田煤厚削减带研究
2.
Coal Thickness Predicting Mathematical Model Analysis for No.9 Coal Seam in Deep Part of Kaiping Coalfield
开平煤田深部9煤厚度预测的数学模型分析
3.
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
4.
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
5.
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
6.
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
7.
thickly covered with ingrained dirt or soot.
厚厚的覆盖着根深蒂固的污垢或者煤烟。
8.
Determination of Critical Thickness of Stiff Roof in Coal Mine Based on Thick Plate Theory
基于厚板理论的水平煤层顶板临界厚度的分析
9.
Research on Large Mining Height Technique for Thick Coal Seams
厚煤层大采高全厚开采工艺研究与应用
10.
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
11.
May be used in iced coal or lump coal with a certain thickness.
能用于对一定厚度的冻煤或大块煤采样。
12.
Application of low caving coal hydraulic support in thick coal seam with large tilt angle
低位放顶煤液压支架在大倾角厚煤层中的应用
13.
Study on Technology of Hard and Thick Top-coal Weakening in Fully Mechanized Caving Faces in Binchang Mining District;
彬长坚硬厚煤层综放开采顶煤弱化技术研究
14.
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
15.
Study on the Hazard Control and Security Technology of Thick Coal Seam in Mining Boundary Coal
厚煤层边角煤开采灾害防治及安全技术研究
16.
Research on Technique of Gas and Fire Disaster Prevention and Control for Gas Burst Thick Coal Seam in Luling Coal Mine
芦岭煤矿突出厚煤层瓦斯及火灾防治技术研究
17.
The Construction Program of Exposing Deep Seam of in Main Shaft Coal of HU Jia-River Mine
胡家河煤矿主井井筒揭露深厚煤层施工方案
18.
Practices on Fully Mechanized Longwall Top Coal Caving Mining Technology in Extra Thick Seam in Tashan Mine
塔山煤矿特厚煤层安全高效综放开采技术