1.
QUANTITATIVE ANALYSIS ON THE THICKNESS VARIATION OF NO 2 1 COAL SEAM IN CHAOHUA MINE FIELD
超化井田二1煤层厚度变化规律定量研究
2.
Technique of Bottom Grouting Transformation at Second-1 Coal Seam,21041 Face of Gaocheng Coal Mine
告成煤矿21041工作面二1煤层底板注浆改造施工工艺
3.
No.171 Coal Seam Coal Quality Characteristic Analysis and Assessment in Mayixi Second Minefield, Panxian
盘县马依西二井田17~(-1)号煤层煤质特征分析与评价
4.
The main minable seamⅡ_1 belenged marshy sediment in delta plain.
认为山西组是在三角洲环境下形成的，主要可采煤层二1煤是三角洲平原上的沼泽沉积。
5.
Lectotype of Powered Support for 1~(-2) Coal Seam in Hanjiawan Colliery
韩家湾煤矿1~(-2)煤层液压支架选型
6.
Research on Outburst Danger of Ⅱ_2 Coal Seam in Mengjin Coal Mine
孟津煤矿二_2煤层突出危险性研究
7.
Application of Seam Infusion on 2326 Working Surface of Qiao'er Colliery
煤层注水在桥二煤矿2326面的应用
8.
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
9.
The Gas Geological Characteristics of Coal-bed No.13-1 in Panyi Coal Mining, Huainan Coal Feild;
淮南煤田潘一井田13-1煤层瓦斯地质特征
10.
Study on gas deposit features of 13-1 seam in Xinji No.1 Mine
新集一矿13-1煤层瓦斯赋存特征研究
11.
Sequence Stratigraphy and Coal Accumulation for Coal Measures of the Carboniferous-Permian in Hunjiang Coal Field
浑江煤田石炭二叠纪含煤岩系层序地层与聚煤作用
12.
Hosting Pattern and Influencing Factors of CBM in No.Ⅱ-1 Coal Seam,Xinggong Coalfield
荥巩煤田二_1煤层煤层气赋存规律及影响因素研究
13.
Reconstruction of Coal Mining Method for Shallow Mining Depth Seam in Nalinmiao No.2 Mine
纳林庙二号井浅埋煤层条件下采煤方法改造
14.
Optimization of coal seam roof and floor stripping equipment for use in Shengli East No.2 Open-pit Coal Mine
胜利东二露天煤矿煤层顶底板剥离设备优化
15.
Research on the harnessing technology of spontaneous combustion in XuanDong coal
宣东二号煤矿煤层自然发火治理技术研究
16.
Coal quality characteristics of carboniferous-permian coal seams of Tashan Mining Area
塔山矿区石炭二叠纪煤层煤质特性研究
17.
The n=1 shell is the innermost layer, n=2 the next layer, and so forth.
n＝1的壳层是最里面的一层，n＝2是第二层，等等。
18.
Application of Fly Ash in Lime, Fly Ash and Gravel Foundation Construction;
粉煤灰在二灰碎石基层施工中的应用