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从煤层顶底板条件、地质构造、水文地质及防突水等方面对二_2煤层开采地质条件进行分析研究，提出了影响矿井生产及安全的主要地质因素及相应的防范措施。
This paper analyzes the geological conditions of coal seam II_2 mining from top and bottom of coal seam, geological structure, hydrogeology and water inrush prevention and puts forward the main geological factors that affect the production and safety of coal mines and the corresponding preventive measures.