How to distinguish the source ofminewater inrush exactly and quickly is not only the major content ofmine hydrogeology works, but also the important foundation ofminewaterprevention.
能否准确快速地判别矿井突水水源，不仅是矿井水文地质工作的主要内容，而且是煤矿防治水工作的重要基础。
2
Through the research of high gas and multi-water-bursting hazards prevention techniques in Jiaozuo coal mine regions, the mining coal method of caving working face is found.
通过对焦作矿区高瓦斯多水害防治技术研究，找出适合该条件下的炮采放顶煤模式的采煤方法。
3
Among the waterprevention measures, the key one is to study the hydraulic recharge of the coal mine.