工业性试验结果表明，工作面瓦斯尾巷巷道支护状况良好，底鼓问题基本得到了解决。
The result of practical experimentation indicates that the problem of floor heave in gas tail gateway having been basically solved.
介绍了高瓦斯采煤工作面采用高抽巷抽放、尾抽巷抽放等专用巷道瓦斯抽放技术，解决了工作面初采期间的瓦斯问题。
Introduces the roadway gas drained technology for high gas mining face, it has resolved the gas control problems during primary mining face.
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