問題詳情
12. Refrigerator is formed by a single vapor-compression system whichcontains an operated cycle of four main elements. What element is operatedafter compressor?
(A) Heater
(B) Evaporator
(C) Expansion valve
(D) Condenser
參考答案
答案：D
難度：適中0.688
統計：A(11),B(12),C(12),D(86),E(0)