1、
At a low flow rate, fluid merely percolates through the void spaces between stationary particles.
当流速低的时候, 流体只是穿过静止的颗粒之间的空隙.
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2、
When gas percolates at a low speed in porous medium low permeability, slippage effect will occur.
煤层的渗透率低,对于致密的多孔介质渗流, 滑脱效应将十分显著.
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3、
When gas percolates at a low speed in medium with low permeability, slippage effect will occur.
低渗透气藏普遍具有低孔、低渗 、 高含水饱和度的特点,气体渗流存在明显的滑脱效应.
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4、
