单选题A stream of water immediately surrounding a moving vessel’s hull，flowing in the same direction as the vessel is known as（）.Adirectional currentBforward currentCpropeller currentDwake current
单选题
A stream of water immediately surrounding a moving vessel’s hull，flowing in the same direction as the vessel is known as（）.
A
directional current
B
forward current
C
propeller current
D
wake current
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