The flow fields in the blood pump show that a series of vortexes just like Karman vortex street occur downstream the impeller, making the flow unsteady.是什么意思_The flow fields in the blood pump show that a series of vortexes just like Karman vortex street occur downstream the impeller, making the flow unsteady.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句