是指煤层内单位质量或单位体积的煤在自然条件下所含的瓦斯量，单位是m3/t。
双鸭山矿区局部区域煤层瓦斯含量较高，威胁到安全生产。
Coal bed methane content is fairly high which threatened safety mining in some areas in Shuangyashan mining area.
但由于该区煤层瓦斯含量高、浓度大，成为煤矿安全生产的主要影响因素。
But since the high coal bed gas content and concentration largely affected coalmine safety in production.
阳泉矿区煤层瓦斯含量高，井下煤层自燃频繁，严重影响了煤炭安全生产。
Methane content is high and spontaneous combustion occurred frequently in Yangquan coal mines, which have a serious influence upon the safe production in the mines.
应用推荐