11. 由圖5所示,此系統之冷凍效應為何?
60ada7e29ca78.jpg
(A)158.5kJ/kg
(B)148.5 kJ/kg
(C)138.5 kJ/kg
(D)128.5 kJ/kg

答案:登入後查看
統計: A(62), B(4), C(6), D(0), E(0) #2712777