This is called the mass flow rate, and it’s always going to be the same everywhere in the pipe.

这就是所谓的质量流量， 它在管道的任何地方总是一样的。

This is called the mass flow rate, and it's always going to be the same everywhere in the pipe.

这称为质量流量， 它将保持固定在管的每个位置。

It’s the same thing we said before: The mass flow rate is the same for every point in the pipe.

这和我们之前说过的一样：管道中每个点的质量流量都相同。

It's the same thing we said before: The mass flow rate is the same for every point in the pipe.

质量流量 它在管中的任何一点都保持不变。