rotor downwash的用法和样例：
例句
- Finally, as an example of its engineering application, the calculated downwash velocity field along the rocket launch line is presented and simply analysed.
之后，作为本方法的工程应用，文中给出了计算的旋翼沿火箭发射线的下洗速度分布并作了简单分析。 - Also important are the rotation of the slipstream and the change of downwash at the tail.
此外，滑流的旋转和尾翼处下洗的变化也是重要的因素。
