For Coal Bed Methane (CBM) production, the pore passage must be established between natural fracture and well bore.

开采这种气体必须在煤层的天然裂缝与井筒之间建立起有效的连通孔道。

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For Coal Bed Methane (CBM) production, the pore passage must be established between natural fracture and well bore.

开采这种气体必须在煤层的天然裂缝与井筒之间建立起有效的连通孔道。

youdao