求教!!流程图画完后点击next出问题,如下? Stream 15 does not contain attribute type PSD, which is required for all streams entering or leaving this block. To change the stream class for a flowsheet section, use the Section Object Manager (select Section from the Flowsheet pulldown menu) 还有这个,大家看一看,我不懂查看更多2个回答 . 2人已关注