問題詳情

24.A perforated or slotted pipe or box inside the steam drum in a boiler, which is connected to thesteam outlet, is technically termed
(A)downcomer.
(B)feed pipe.
(C)dry pipe.
(D)riser.

參考答案

答案：C
難度：適中0.681818
統計：A(0),B(0),C(15),D(6),E(0)