The research given prevention of the gas and administration technology to practise through Jiulishan coalmine 15011 face in excavating of Jiaozuo mining area, briefly explained the application and development of outburst prevention technique of excavating
The research given prevention of the gas and administration technology to practise through Jiulishan coalmine 15011 face in excavating of Jiaozuo mining area, briefly explained the application and development of outburst prevention technique of excavating
通过焦作矿区九里山矿15011工作面巷道掘进期间的瓦斯防治技术实践，阐述了煤巷掘进防突技术在焦作矿区的应用与发展，并对焦作矿区的煤巷掘进防突技术进行浅要的分析与展望。