34.每艘客船及總噸位500以上之每艘貨船至少應備有幾具雙向特高頻無線電話(VHF)設備?
(A)2
(B)3
(C)4
(D)5

答案:登入後查看
統計: A(12), B(16), C(1), D(0), E(0) #1209017