b本人很愚笨,本没有什么好程序奉献给大家，希望大家能够体谅我（换热器计算）-b stupid I am, not what the program is dedicated to you and hope that we can sympathize with me (heat exchanger)

这个也是用于化工过程换热器的计算，属于过程系统分析与综合的-This is a chemical process used to the heat exchanger, a kind of process analysis and synthesis of