PDF(265 KB)
基于Ergun方程的微灌砂颗粒形状系数测定方法研究
李景海, 翟国亮, 刘清霞, 李国强
PDF(265 KB)
基于Ergun方程的微灌砂颗粒形状系数测定方法研究
A Study on The Method of Determination of The Shape Coefficient of Sand Particle in Micro-irrigation Based on Ergun Equation
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