• 基本释义

1.coal seam
煤层收藏指正
2.exposed coal seam
裸露的煤层收藏指正
3.The main coal seam of Taiping colliery is 11~# coal seam with a thickness of 1.5 m.
太平煤矿主采11#煤层,煤厚1.5 m.收藏指正
4.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收藏指正
5.the part of a coal seam that is being cut.
正在被开采的煤层截面。收藏指正
6.The Optimum Design for the Cutter Retarder of the BM-100 Thin Coal-seam Coal-cutter
BM——100型薄煤层采煤机截割部减速箱的优化设计收藏指正
7.Feasibility and benefit analysis on increasing upper mining limit of No.3 coal seam,Daizhuang Coal Mine
岱庄煤矿3煤提高开采上限可行性研究及效益分析收藏指正
8.Testing study of methane drainage by bore and hydraulic-cutting seam from low permeability coal seam
低渗透煤层钻孔与水力割缝瓦斯排放的实验研究收藏指正
9.Analytic method and appliction about intersection line of fault and coal seam on the conditions of same dip of fault and coal seam
断层与煤层倾向相同条件下断煤交线的解析求法及应用收藏指正
10.CALCULATION OF GAS DRAINAGE PARAMETERS FOR QI CHI COAL SEAM IN YANGQUAN
阳泉七尺煤层瓦斯抽放参数计算收藏指正
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