1.
Failure Characteristic of Residual Coal Pillar and Its Influence on Downward Mining
残留煤柱破坏特征及其对下部煤层开采影响
2.
Abstract: The Chengzhuang Coal Mine is threatened by the underground water when the strata is mined.
文摘:成庄井田为新建矿井，下部煤层开采受地下水的威胁。
3.
Shale underlies coal.
页岩层在煤层之下。
4.
He moved the coal cakes away, and there was only coal dust left on the floor.
他把煤饼搬走了, 地下只剩下一层煤末。
5.
Coal seam correlation and characters of coal seam in eastern depression of Liaohe basin
辽河盆地东部凹陷煤层对比及煤层发育特征
6.
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
7.
New Research on Overlying Coal Seam Effects Induced by Nether Super-thick Coal Seam Exploitation in Coal Group
煤层群下伏特厚煤层综放开采对上覆煤层影响的技术探讨
8.
Coal Quality Characteristics of Hongxiugou Group in Northern Coal Bearing Stratum of Hongxiugou Basin
红锈沟盆地北部含煤地层红锈沟组煤层煤质特征
9.
Water Prevention and Control Technology of Seam Mining Under Thin Floor Condition
薄层底板条件下煤层开采防治水技术
10.
Detector of Coal Seam Roof Strata Based on S3C44B0X Framework
基于S3C44B0X构架下的煤层顶板岩层探测器
11.
Deep "three soft" measures inclined roadway open seam of cosl-process research of technologies
深部“三软”煤层斜井措施巷揭煤防突技术研究
12.
Simple Analysis of Coal-Accumulating Laws of Coal-bearing Stratum of Hongxiugou Formation in Northern Part of Hongxiugou Basin
红锈沟盆地北部含煤地层红锈沟组聚煤规律
13.
Study on the Coal Pillar Stability of Deep and High Seam Strip-Partial Mining and Its Impact on the Village in Gucheng Coal Mine;
古城煤矿深部厚煤层条带开采煤柱稳定性及对村庄的影响研究
14.
Research on Reasonable Size of Steeply Dipping Seam Strip Coal Pillar under Village;
村庄下大倾角煤层条带煤柱合理尺寸研究
15.
Technical Study on Leading Exploitation Underground Coal Bed Methane in Coal Mine-scale;
煤矿区的井下煤层气超前开发技术研究
16.
STATUS AND PROBLEMS OF DRAINAGE AND UTILIZATION OF DOWNHOLE COALBED METHANE IN COAL MINES IN CHINA;
我国煤矿井下煤层气抽采利用现状及问题
17.
Evaluation of Reserves of Coal Bed Methane in Lower Permian Coaliferous Formation in Luoyang Region;
洛阳地区下二叠统二_1煤煤层甲烷资源评价
18.
Research into Undersea Coal Seam Spontaneous Combustion Prevention Technology at Beizao Coal Mine
北皂煤矿海下开采煤层自然发火防治技术研究