27.救生艇信號之集合信號為鳴汽笛或警鈴幾長聲?
(A)2
(B)3
(C)4
(D)5
答案:登入後查看
統計: A(116), B(61), C(28), D(65), E(0) #624865
統計: A(116), B(61), C(28), D(65), E(0) #624865