An analytical model is presented of laminar film condensation of Freon in the presence of air of nonhomogeneous concentration and the boundary layer equations are solved by means of the integration technique.是什么意思_An analytical model is presented of laminar film condensation of Freon in the presence of air of nonhomogeneous concentration and the boundary layer equations are solved by means of the integration technique.在線翻譯_英語_讀音_用法_例句