短語詞組短語convective -diffusion problem 對流convective diffusion equation 對流擴散方程convective diffusion coefficient 對流擴散系數(shù)equation of convective diffusion 對流擴散方程convective diffusion equations 對流擴散方程diffusion convective 對流擴散diffusion and convective 擴散與對流 返回 convective diffusion