It is found that there is a secondary flow on the annular cross section.

结果表明：环形截面上存在二次流。

youdao

It is found that the secondary flow are taken place on the annular cross section.

结果表明环形截面上存在二次流动。

youdao

It is found that the secondary flow are taken place on the annular cross section.

结果表明环形截面上存在二次流动。

youdao