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单选题
Channel 13 (156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to（）.
A
exchange navigational information between vessels
B
exchange navigational information between a vessel and a shore station
C
conduct necessary tests
D
exchange operating schedules with company dispatcher
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考题
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考题
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考题
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考题
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考题
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考题
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