单项选择题
A.Dredging (of anchor)
B.Dragging (of anchor)
C.Weighing anchor
D.Walking out anchor
单项选择题 Information on search and rescue procedures will be found in the().
单项选择题 In relation to the turning circle of a ship,the term advance means the distance().
单项选择题 In a racetrack turn,to recover a man overboard,the vessel is steadied for the SECOND time after a turn of how many degrees from the original heading?()