34.海圖符號燈塔燈光爲「閃光」其符號爲下列何者?
(A)F
(B)F1
(C)Oc
(D)A1
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統計: A(4), B(3), C(0), D(0), E(0) #633441
統計: A(4), B(3), C(0), D(0), E(0) #633441