The mass transfer equation was introduced into heat transfer model of falling film evaporation. The radial velocity, mass diffusion coefficient and variation of film thickness were taken into account.
将传质方程引入到垂直管降膜蒸发传热模型中，求解时考虑了径向速度、质量扩散系数和膜厚变化对传热的影响。
I want to know if you know how to melt into that fierce heat of living falling toward the center of your longing.
我想知道你是否了解如何熔入生存的烈焰之中，坠入你内心渴望的深处。
People need to get through the window sunshine and fresh air, and enjoy outdoor scenery, also isolate noise and preserve heat. The subsistence environment of human being is falling into dire straits.
人们需要通过窗户获得阳光和新鲜空气，观赏室外景色，还要求它起到保温、隔热、遮阳、抗风雨、阻挡噪声等作用。
People need to get through the window sunshine and fresh air, and enjoy outdoor scenery, also isolate noise and preserve heat. The subsistence environment of human being is falling into dire straits.
人们需要通过窗户获得阳光和新鲜空气，观赏室外景色，还要求它起到保温、隔热、遮阳、抗风雨、阻挡噪声等作用。
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