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In this paper, some experimental studies on the forms of existenee and conditions for transport and precipitation of rar......
煤层中瓦斯赋存形态主要是吸附态和游离态,煤又是含微孔和大孔的孔隙-裂隙多孔介质,煤体中瓦斯运移形式分为层流和紊流。原始煤层瓦......