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gas emission from adjacent coal seams
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gas emission from adjacent coal seams
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工学
瓦斯涌出
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gas emission from adjacent coal seams
邻近层瓦斯涌出
在煤层群开采条件下,受开采层采动影响的煤层向开采煤层的工作面和采空区涌出瓦斯的现象。
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