5.錨泊中,從事捕魚作業之船舶,於霧中應於每不逾兩分鐘鳴放之號笛聲為:
(A)一長聲
(B)一長聲二短聲
(C)二長聲
(D)一長聲三短聲
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統計: A(10), B(87), C(12), D(18), E(0) #576016
統計: A(10), B(87), C(12), D(18), E(0) #576016