n图及计算 Inp T q2=h-h=h-ha q2 h-he h2 h,-hln p- h图及计算 T s 12 4 3 5 ln p h 1 2 4 3 5 q 2q1 w q h h h h 2 1 5 1 4 = − = − q h h 1 2 4 = − 2 1 4 2 1 q h h w h h  − = = −