利用煤田地质勘探资料，对王家坝井田煤层气的赋存量和赋存特征以及展布规律作了进一步的分析和研究。
Based on coal geological exploration data, studied and analyzed CBM resources, hosting features and distributing pattern in Wangjiaba minefield.
利用乌兰井田勘探和生产揭露的资料，分析研究了乌兰井田地质构造和煤体结构特征。
From exploration and production information revealed in Ulan minefield, the paper analyzed geological structure and coal texture of the minefield.
利用乌兰井田勘探和生产揭露的资料，分析研究了乌兰井田地质构造和煤体结构特征。
From exploration and production information revealed in Ulan minefield, the paper analyzed geological structure and coal texture of the minefield.
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