jet section

• 喷流横截面

jet section的用法和样例：

例句

1. Our homework is figuring out the area of the cross section of a solid.
   我们留的作业是求几何体横截面的面积。
2. If we look at a cross section of a water wave, we may see that the wave form repeats itself at regular intervals.
   如果我们观察水波的横截面，我们会看到波形是按一定的间隔重复的。