drag act造句

by use of grid-shaping skill and multi-grid solver, the flow-induced vibration of the fluid-conveying pipe in water is studied . the vibration mechanism of the fluid-conveying pipe in water is analyzed, the lift and drag acting on pipe in water are calculated . the results obtained are analyzed and compared to the experimental data referred to
首先对水下输液管道绕流涡激振动的机理进行了分析，然后，利用网格生成技术及多重网格法求得了输液管道在不同来流条件(雷诺数)下的横向升力系数及纵向阻力系数，最后对计算结果进行了分析，并将其与已有的间接实验结果进行了对比。
It's difficult to find drag act in a sentence. 用drag act造句挺难的