問題詳情

28_________ is a nozzle in a fire protection system which distributes water in a specific spray pattern.
(A)The smoke control system
(B)The detector
(C)The sprinkler
(D)The foam system

參考答案

答案：C
難度：適中0.416667
統計：A(3),B(4),C(5),D(0),E(0)