单项选择题
A. Amidships B. Wheel’s amidships C. Middle ships D. All right
A. Hard-a-starboard B. Hard-a-port C. Starboard hard D. Full starboard
A. Hard-a-starboard B. Hard-a- port C. Port hard D. Full starboard
A. Starboard ten B. Starboard five C. Sort ten D. Sort five
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