The article has introduced the gas geologic features in B4 Coal Seam in Fengcheng Colliery and analyzed the correlation factors of gas occurrence regularity.
本文简要叙述了丰城矿区B4煤层瓦斯地质特征，分析了瓦斯赋存规律相关因素。
The article has introduced the gas geologic features in B4 Coal Seam in Fengcheng Colliery and analyzed the correlation factors of gas occurrence regularity.
本文简要叙述了丰城矿区B4煤层瓦斯地质特征，分析了瓦斯赋存规律相关因素。
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