隔壁塔模拟求助? 能不能再帮我看看这是哪里出错了?*** severe error a liquid feed/pumparound to the top stage is required when "q1=0" is specified in "col-specs"; required feed/pumparound has zero flow. *** severe error a vapor feed/pumparound to the bottom stage is required when "qn=0" is specified in "col-specs"; required feed/pumparound has zero flow. * warning rest of block bypassed due to severe error. 谢谢了!查看更多