求好心人帮我看下这道题,aspen Radfrac模块!!? error design spec is not satisfied because one or more manipulated variable is at its bound. - simulation calculations completed ... *** no warnings were issued during input translation *** *** summary of simulation errors *** physical property system simulation terminal errors 0 0 0 severe errors 0 0 0 errors 0 0 1 warnings 0 0 1 这是怎么回事 查看更多