downstream bay下游河湾
downstreamadv.朝下游方向adj.顺流的
downstream solute migration rate流出溶质迁移速率
downstream baroclinic development下游斜压发展
downstream channel of Dajiang River大江下游航道
downstream profile of crown section拱冠断面下游面轮廓
downstream energy dissipation protection下游消能防护
downstream supply chain integration strategy供应链下游集成策略