問題詳情

8. One kind of equipment is applied for automatic discharge of condensate frompiping, heaters and other equipment. Which equipment is above description?
(A) Heater
(B) Trap
(C) Strainer
(D) Filter

參考答案

答案:B
難度:適中0.538462
統計:A(15),B(21),C(2),D(0),E(0)

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