Analyzing the characteristic of the thickness change and coal seam formation, realize the geological original cause of coal seam thickness change.
分析煤层厚度变化的特点及煤层厚度变化的地质成因。
Base on the analysis the relationship between the seam thickness changes and structure function, the paper studied the thickness change law of the seams in coal mining operation in the mine filed.
在分析煤厚变化与构造作用之间的关系基础上，研究井田内在开拓开采中的煤层厚度变化规律。
Base on the analysis the relationship between the seam thickness changes and structure function, the paper studied the thickness change law of the seams in coal mining operation in...
在分析煤厚变化与构造作用之间的关系基础上，研究井田内在开拓开采中的煤层厚度变化规律。
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