three-dimensional fluid flow

例句：

1. 1.The engineer designed a three-dimensional fluid flow model for the new project.
   工程师为新项目设计了一个三维流体流动模型。
2. 2.In the study of fluid dynamics, understanding three-dimensional fluid flow is crucial.
   在流体动力学研究中，理解三维流体流动至关重要。
3. 3.The researchers used computational fluid dynamics to simulate the three-dimensional fluid flow in the lab.
   研究人员使用计算流体动力学模拟了实验室中的三维流体流动。