特厚煤层群保护层开采与瓦斯预抽采防突技术的实践
특후매층군보호층개채여와사예추채방돌기술적실천
Practice of Mining Protective Seam in Thick Coal Seam Group and Methane Pre-extracted to Prevent Methane and Coal Outburst
저자의 최근 논문