To Prevent the phenomena of mine shaft power (mine pressure,shock earth pressure,coal and gas burst.carbon dioxide burst,efc.) ,and ensure mine safety,we must distribution in mine shafts.

• 为了防止矿井动力现象（矿山压力、冲击地压、煤与瓦斯突出、二氧化碳突出等），保障矿井安全生产，必须全面了解矿区地应力分布规律。