2026-04-13 07:04 浏览次数 12
瓦斯涌出
Study on the gas effuse law in dig working face of coal mine
煤矿掘进工作面瓦斯涌出规律研究
Analysis and treatment on abnormal gas effuse in heading face of "three soft" seam
「三软」煤层掘进工作面瓦斯异常涌出分析及处理