一个翻译问题请教? mixed (a): two-phase system (saturated liquid and saturated vapor) entering the psv and flashing. no non-condensable gas present. also includes fluids both above and below the thermodynamic equilibrium point in condensing two-phase flow. uses kd 2ph as the kd coefficient. 请问最后一句里的2ph是什么意思? 查看更多