Flow velocity, at this location, can never exceed the local speed of sound, and is said to be in a choked condition.

流速，在这个位置，绝不能超过当地音速的，据说是在一个呛条件。

youdao

Flow velocity, at this location, can never exceed the local speed of sound, and is said to be in a choked condition.

流速，在这个位置，绝不能超过当地音速的，据说是在一个呛条件。

youdao