... sphericity test 球形检验 ; 球形检定 grain sphericity 颗粒球度 sphericity distribution 球度分布 ...
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sand grain sphericity 砂粒球度
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The turbulence coefficient and permeability is re lated with the grain size, sphericity and roughness of the proppant, and the porosity of the proppant-filling bed, and the experimental conditions.
紊流系数和渗透率与支撑剂粒度、球度、圆度、支撑剂充填层孔隙度和实验条件等有关。
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