换热器模拟问题? 求助各位大神,我现在正在做换热器的模拟,不知道为什么每次模拟完都会出现以下错误。请问是什么原因呢? severe error in the "block" paragraph which begins on line 100 block name: he-1 model name: mheatx mheatx block "he-1" improperly specified. all streams are given specifications. at least one stream must remain unspecified. block will be ignored. 查看更多