各位大姐大哥,帮忙看看!!!!!!!!!? *** error *** unit 1, 't1' - product - required ldraw on tray 1 for mixed phase condenser. *** error *** unit 1, 't1' - specification 1 is invalid on stream s1. the stream is not a product from this unit operation. 这两个运行错误是什么意思?查看更多