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文章分析了高瓦斯特厚煤层掘进顶分层巷道时的瓦斯涌出规律和工艺特点，给出了炮掘顶分层巷道需风量的计算方法，并以实例进行了验证。
In this paper, gas emission law and process characteristics of top coal seam roadway with high gas-bearing thick seam are analyzed, and the calculation method of the required air volume of the stratified roadway is given and verified by an example.