單項(xiàng)選擇題I am making water means().

A.my vessel is leaking
B.my vessel is producing fresh water
C.my vessel is producing sea water
D.sea water is de-salted on board my vessel


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2.單項(xiàng)選擇題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

3.單項(xiàng)選擇題Moving of an anchor over the sea bottom to control the movement of the vessel defines().

A.dredging ( of anchor )
B.dragging ( of anchor )
C.weighing anchor
D.walking out anchor

4.單項(xiàng)選擇題Pan-Pan is to be used to announce().

A.a distress message
B.an urgency message
C.a safety message
D.a message of SMCP