Based on an example, the distribution and dynamic procedure of air leakage seepage, oxygen, CO gas, methane and temperature in goaf during working face advancing are demonstrated.

 
  • 结合实例条件,描绘了工作面开采推进过程中采空区内漏风流态、氧、CO、瓦斯和温度等分布状态及其动态过程。
今日热词
目录 附录 查词历史