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介绍了土城矿利用瓦斯尾巷抽放方法处理采煤工作面瓦斯超限问题,确保高瓦斯采煤工作面的安全回采。
This paper introduces the method of gas tailing drainage in Tucheng Mine to deal with gas overrun of coal mining face and ensure the safe recovery of high gas coal mining face.