.4kJ/kg s?6.5371kJ/(kg?K) v?0.081226m3/kg h?2992u?h?pv?2992.4kJ/kg?3?106Pa?0.081226m3/kg?2748.722kJ/kg （2）p?5MPa t=155℃
v?0.0010768?0.0010988?0.0010768?(155?140)?0.0010933m3/kg
160?140678.19?592.23h?592.23??(155?140)?656.7kJ/kg
160?1401.9377?1.7345s?1.7345??(155?140)?1.8869kJ/(kg?K)
160?140u?h?pv?656.7?5?103?0.0010933?651.2335kJ/kg (3) p?0.3MPa x=0.92
v??0.0010732m3/kg v???0.60587m3/kg
h??561.58kJ/kg h???2725.26kJ/kg s??1.6721kJ/(kg?K) s???6.9921kJ/(kg?K)
kJ/(kg?K) v?(1?x)v??xv???0.5575m3/kg s?(1?x)s??xs???6.5665h?(1?x)h??xh???2552.1656kJ/kg u?h?pv?2384.92kJ/kg