According to the coal sample's pore fractal laws, the porosity of coal is divided into three categories: infiltration pore, diffusion pore and adsorption pore.
这三类孔同时也对应了瓦斯等气体在煤中的不同的运移状态。
According to the coal sample's pore fractal laws, the porosity of coal is divided into three categories: infiltration pore, diffusion pore and adsorption pore.
这三类孔同时也对应了瓦斯等气体在煤中的不同的运移状态。
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