怎么样塔顶以气相的形式排除掉低沸物了? 那不可以的吧。 虚拟物流不是用来计算物料守恒的吧,换热还好。 column pseudoproducts may be used to create streams which correspond to column internal streams and make them available for flowsheet calculations. pseudo streams have no effect on the column material balance. any number of pseudo streams may be created.查看更多