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水力封堵作用
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水力封堵作用
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理学
煤层气地质
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hydraulic blocking effect
水力封堵作用
在压力差条件下,煤层气从高压力区(深部)向低压力区(浅部)渗流,地下水由浅部向深部运动,煤层中向上扩散的气体被封堵聚集的现象。
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