把含气量引入达西流产量公式也许能更真实地反映甲烷气体在煤储层中流动产出的特征。
And Darcy flow production equation with gas-bearing volume may reflect the characteristics of methane migration in coal measure strata more really.
煤基质的孔隙性对流体流动影响极小，试井所得渗透率反映的是割理系统的渗流能力。
The matrix pores in coal play a little role in fluid flow, therefore the permeability derived from well test is the reflection of the percolation flow capacity in cleat system.
表面开采，地下开采，煤或金属采矿行业之间的流动性可能会因生产技术和许可要求的差异而受限制。
Mobility between surface mining, underground mining, coal or metal mining sectors may be limited by differences in production technologies and licensing requirements.
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