本论文应用地质学和地理信息系统基本原理，以小青井田7煤层地质条件为研究对象。
This paper apply economic geology and geographic information system basic principle, taking small blue well field 7 coal bed geological condition as object of study.
本论文应用地质学和地理信息系统基本原理，以小青井田7煤层地质条件为研究对象。
This paper apply economic geology and geographic information system basic principle, taking small blue well field 7 coal bed geological condition as object of study.
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