煤层瓦斯压力（coalbed gas pressure），指煤层孔隙内气体分子自由热运动撞击所产生的作用力。
根据煤层瓦斯含量公式，计算出不同冻结温度下煤层瓦斯压力。
According to the coal seam gas content formula, the gas pressure in different freezing temperature was calculated.
受煤层瓦斯压力差和煤层的透气性双重因素影响，煤层是瓦斯后期释放的主要通道。
Being influenced by the dual factor of the coal seam gas pressure difference and ventilation, the coal seam is the main route at the later period of the gas release.
最后提出了利用煤屑解吸瓦斯流量测算煤层瓦斯压力和瓦斯含量的计算方法和计算公式。
Finally the calculation method and formula of coal methane content and pressure are presented by using the emission rate from broken coal.
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