按照孙兰义老师的书，第十章内容，连接好block后点击next出现下面的提示： Main Process Flowsheet: Section GLOBAL: BLOCK not complete: BLKID = D Required outlet port: P(OUT) does not have stream connected BLOCK not complete: BLKID = E Two or more outlet streams required for the FSPLIT block BLOCK not complete: BLKID = K Required outlet port: P(OUT) does not have stream connected 接下来我应该怎么解决这个问题，非常感谢 显示全部