气流速度

stream velocity的用法和样例：

例句

It is found that the entraining water flux decreases at first, reaches a minimum, and then increases with the increase of the liquid film velocity.在两管间隙和气流速度一定的条件下，液膜流速对气流的带液量也存在影响，随着液膜流速的增大带液量先减少后增加。

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