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The radial horizontal bores can connect the new flowing channels of gas to increase the coal-bed methane production.
这些径向水平钻孔的形成可以沟通新的瓦斯流动通道，提高煤层气产量。
youdao
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The radial horizontal bores can connect the new flowing channels of gas to increase the coal-bed methane production.
这些径向水平钻孔的形成可以沟通新的瓦斯流动通道，提高煤层气产量。
youdao