Heat Transfer Enhancement and Pressure Drop of Flat Tube-Fin Heat Exchanger Surfaces with Wing-Type Vortex Generators on the Variation of Winglet Height是什么意思_Heat Transfer Enhancement and Pressure Drop of Flat Tube-Fin Heat Exchanger Surfaces with Wing-Type Vortex Generators on the Variation of Winglet Height在线翻译_英语_读音_用法_例句