单项选择题
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
Land-based authority conducting and co-ordinating searc...
单项选择题Land-based authority conducting and co-ordinating search and rescue operations in a designated area defines（）.
A.RCC B.OSC C.CSS D.GPS
Moving of an anchor over the sea bottom involuntarily b...
单项选择题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
Moving of an anchor over the sea bottom to control the ...
单项选择题Moving of an anchor over the sea bottom to control the movement of the vessel defines（）.
