問題詳情

2. What equipment is used to automatically drain condensate from piping, heaters and otherequipment?
(A) Discharge pump
(B) Storm valve
(C) Drain pipe
(D) Trap

參考答案

答案：D
難度：適中0.52381
統計：A(18),B(32),C(40),D(99),E(0)