6. ”A round through the vessel carried out by a crew member of the watch at certain intervals
so that an outbreak of fire may be promptly detected.” defines ________
(A) Fire drill
(B) Fire control
(C) Fire patrol
(D) Smoke detection
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統計: A(34), B(67), C(417), D(34), E(0) #1558459
統計: A(34), B(67), C(417), D(34), E(0) #1558459