The result of practical experimentation indicates that the problem of floor heave in gas tail gateway having been basically solved.
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.
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。
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