問題詳情

17. The ___________ throttles the liquid refrigerant and maintains the pressure differencebetween the condenser and evaporator.
(A) constant folw control valve
(B) constant pressure control valve
(C) pressure regulating valve
(D) expansion valve

參考答案

答案:D
難度:非常簡單1
統計:A(0),B(0),C(0),D(3),E(0)

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