一张图中画了3台锅炉水换热器,后面两个的数据输入为啥 ...? 自学PROII,在画流程时设置了3台 换热器 ,都是炉水与工艺物流换热,出现了错误提示: 4 error(s), 0 warning(s), and 0 message(s) detected: *** error *** Stream 's8_r1' has invalid compositions that are specified to be less than or equal to zero. *** error *** Stream 's10_r1' has invalid compositions that are specified to be less than or equal to zero. *** error *** S8_r1 requires temperature and/or liquid fraction. Feed flash calculations cannot be completed successfully. *** error *** S10_r1 requires temperature and/or liquid fraction. Feed flash calculations cannot be completed successfully. 请问如何改呀.查看更多2个回答 . 4人已关注