Moving of an anchor over the sea bottom involuntarily because it is no longer preventing the movement of the vessel defines（）.<br>A:dredging ( of anchor )<br>B:dragging ( of anchor )<br>C:weighing anchor<br>D:walking out anchor

Moving of an anchor over the sea bottom involuntarily because it is no longer preventing the movement of the vessel defines（）.
A:dredging ( of anchor )
B:dragging ( of anchor )
C:weighing anchor
D:walking out anchor

出自：海船船员证

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