Numerical model for simulating unsteady flow and non-equilibrium sediment transport in the mainstream and its tributaries at the TGR was presented in this paper.是什么意思_Numerical model for simulating unsteady flow and non-equilibrium sediment transport in the mainstream and its tributaries at the TGR was presented in this paper.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句