34. _____ is a person designed to co-ordinate search and rescue operations within a specified area.
(A) CSS
(B) OSC
(C) RCC
(D) SMC
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統計: A(30), B(535), C(111), D(40), E(0) #2334869
統計: A(30), B(535), C(111), D(40), E(0) #2334869