单选题A current perpendicular to a vessel’s track has the greatest effect on the vessel’s course made good（）.Aat high vessel speedsBat low vessel speedsCin shallow waterDin deep water
单选题
A current perpendicular to a vessel’s track has the greatest effect on the vessel’s course made good（）.
A
at high vessel speeds
B
at low vessel speeds
C
in shallow water
D
in deep water
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