A、ship's clock
B、engine movement recorder
C、repeaters
D、navigation lights
更多“Before sailing，mariners on duty shall check the headings of magnetic compass by comparison with（）.”相关的问题
A、American Consul B、Classification Society C、Captain of the Port D、Officer in Charge，Marine Inspection
A、American Consul B、Classification Society C、Captain of the Port D、Officer in Charge，Marine Inspection
A、publications B、notices to mariners C、supplements D、Annual Summary of Admiralty Notices to Mariners
A、Admiralty Sailing Directions B、Admiralty List of Signals C、Mariner's Handbook D、Admiralty Notices to Mariners
A、The Mariner‟s Handbook B、Admiralty Sailing Directions C、Ocean Passages for the World D、Mariner‟s Routeing Guide
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