Basedon the application of the theory and the cite test, the laws of methane movement in sublevl cav-ing face and goaf are studied.

 
  • 应用该理论结合现场试验,研究综放开采顶煤瓦斯和采空区瓦斯运移规律及工作面瓦斯涌出规律。
今日热词
目录 附录 查词历史