44 By definition, an automatic fire suppression system can operate without human intervention. To do so it must possess a means of detection, ________ and delivery.
(A)observation
(B)station
(C)actuation
(D)extinction
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統計: A(0), B(0), C(1), D(0), E(0) #3459788
統計: A(0), B(0), C(1), D(0), E(0) #3459788