関連ワード:  steady state vs unsteady state    steady state vs unsteady state flow    steady state vs unsteady state heat transfer    steady state vs unsteady state relative permeability    steady state vs unsteady state diffusion    steady state vs unsteady state thermodynamics    steady state vs unsteady state process    steady state and unsteady state    steady state vs non steady state    steady vs unsteady state diffusion