这个模拟怎么错了呢? *** severe error atom s is present in the feed but not among the products the block mass balance will be incorrect ** error block hcl is not in mass balance: mass inlet flow = 0.59382364e+01, mass outlet flow = 0.59121016e+01 relative difference = 0.44205556e-02 check block specifications 进料中有s,产品中无s,将导致质量不平衡,需在产物中加上含硫的化合物或在原料中去掉含s的.查看更多