This equation is one of the most useful, as it allows the nozzle exit velocity to be calculated.

这个等式是其中一个最有用，因为它允许喷嘴出口速度计算。

youdao

This equation is one of the most useful, as it allows the nozzle exit velocity to be calculated.

这个等式是其中一个最有用，因为它允许喷嘴出口速度计算。

youdao