水、水蒸气热力计算，TSK.m 求某下压力饱和温度。

PSK.m 某温度下饱和压力。

HS.m 已知比焓、比熵，求其它性质。

PX.m 已知压力、干度，求其它性质。

PV.m 已知压力、比熵，求其它性质。

PTG.m 已知压力、温度，求饱和汽、过热蒸汽的性质。

PTF.m 已知压力、温度，求饱和水、过冷水的性质。

PT.m 已知压力、温度，求其它性质。

PS.m 已知压力、比熵，求其它性质。

PH.m 已知压力、比焓，求其它性质-TSK.m seeking a saturation temperature under pressure.

A temperature saturation pressure PSK.m.

HS.m known enthalpy, entropy, seeking other properties.

PX.m known pressure, dryness, seeking other properties.

PV.m known pressure, specific entropy, seeking other properties.

PTG.m known pressure, temperature, seeking saturated steam, superheated steam properties.

PTF.m known pressure, temperature, saturated water demand, over the nature of cold water.

PT.m known pressure, temperature, seek other properties.

PS.m known pressure, specific entropy, seeking other properties.

PH.m known pressure, specific enthalpy, seeking other properties