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)

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