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Mariners are FIRST warned of serious defects or im...

海船船员考试

单选题

Mariners are FIRST warned of serious defects or important changes to aids to navigation by means of（）.

发布日期：2021-03-22

A.marine broadcast Notice to Mariners

B.Weekly Notices to Mariners

C.corrected editions of charts

D.Light Lists

标签： mariners warned defects important aids

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