gas drainage roadway

基本解释

The results of experiment testify that the method not only realizes the normal ventilation and gas drainage in drivage roadway but also saves energy.
实验表明，该方法能较好地实现掘进巷道的正常通风和瓦斯排放，并达到节能效果。
Gas drainage from roadway in roof rock is used in Yangquan Coal Mining Administration and comprehensive gas drainage based on gas source is used in Songzao Coal Mining Administration.
阳泉局采用顶板岩巷抽放法，松藻局采用针对瓦斯源的综合抽放方法。
The results of MATLAB simulation prove that the method not only realizes the normal ventilation and gas drainage in drivage roadway, but also makes coal production much safer and saves energy largely.
MATLAB仿真实验表明：该方法能较好地实现掘进巷道的正常通风和瓦斯排放，使煤矿生产达到安全节能运行。