水和水蒸气的应用非常广泛，在许多热力计算中都需要计算水蒸气的热力性质，这是一款精确计算水和水蒸气热力性质的软件-Water and water vapor has a very wide range of applications, in many of the thermodynamic calculation need to calculate the thermodynamic properties of water vapor, it is an accurate calculation