Stability control of the head faces top-coal is one of the key techniques of realizing high production and high efficiency to coal mining in fully mechanized top-coal caving face.
大倾角松软煤层综放面实现高产高效的关键之一是端面顶煤稳定性控制。
The paper described in detail the high undercover large mining coal face roof control the basic requirements of the roof control and the strengthening of specific measures.
该文详细叙述了大采高卧底煤工作面顶板控制的基本要求和加强顶板控制的具体措施。
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。
Introduces the roadway gas drained technology for high gas mining face, it has resolved the gas control problems during primary mining face.
介绍了高瓦斯采煤工作面采用高抽巷抽放、尾抽巷抽放等专用巷道瓦斯抽放技术，解决了工作面初采期间的瓦斯问题。
It is important to ascertain geological condition in a coal face or a mine area before mining, so as to secure a high output and high profit mine in safety production.
采前查明采区或采煤工作面的地质条件是保障高产高效矿井安全生产的重要基础。
In the air condition system of the high temperature mine, the different ventilation modes would have an important influence to the comfortability and energy saving of the coal mining face environment.
在高温矿井空调系统中，不同的送风方式对工作面环境的舒适度和节能具有重要影响。
In the air condition system of the high temperature mine, the different ventilation modes would have an important influence to the comfortability and energy saving of the coal mining face environment.
在高温矿井空调系统中，不同的送风方式对工作面环境的舒适度和节能具有重要影响。
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