阿摩線上測驗
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試卷名稱：111年 - 111-1 航海人員測驗_一等船副：船舶通訊與航海英文#106699
年份：111年
科目：船舶通訊與航海英文(概要)
39.
(A) Wreck, depth unknown, which is considered dangerous to surface navigation
(B) Wreck, depth unknown, which is not considered dangerous to surface navigation
(C) Wreck showing any part of hull or superstructure at the level of Chart Datum
(D) Wreck of which the mast(s) only are visible at Chart Datum