1) coalfield outcrop
煤田露头
1.
Theoretical analysis of numerical value of the spontaneous combustion fire-heating air pressure for coalfield outcrop;
煤田露头自燃火风压数值的理论分析
2) surface coal fields
露天煤田
1.
Study on surface coal fields classifying (Ⅰ)——set up classifying index system;
我国露天煤田分类研究(Ⅰ)——分类指标体系的建立
2.
Study on surface coal fields classifying Ⅱ:classifying methods and setting up classifying model
我国露天煤田分类研究(Ⅱ)——分类方法及模型的建立
3) exposed coalfield
出露煤田
4) coal seam outcrop
煤层露头
1.
To use 3D seismic prospecting in control of coal seam occurrence form has demonstrated its satisfying effects,but for a mine's high yield,high efficiency geological guaranteeing system still need to determine geological anomalous bodies of“barren zone”,subsided column,gob area and coal seam outcrop etc.
三维地震勘探在控制煤层赋存形态方面已取得了令人满意的效果,但矿井高产高效地质保障系统需要准确圈定“无煤带”、陷落柱、老窑采空区、煤层露头等地质异常体。
5) coal outcrop
露头煤层
1.
during researching the development of spontaneons combustion of coal outcrop.
论述了煤体与岩体的受热破坏特性 ,对露头煤层自燃火灾中煤岩体的热破坏机制进行了定性分析。
6) crop coal
露头煤<能>
补充资料：露头
地下岩体、地层和矿床等露出地表的部分。可分为天然露头和人工露头。野外地质观察中直接或间接地反映了岩石性质、地层产状、地壳变动及矿产蕴藏等情况。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条