单项选择题 A load line is assigned to a ship to insure adequate stability and（）.

单项选择题 （）refers to the depth of a vessel below the waterline，measured vertically to the lowest part of the hull，propellers or other reference points.

单项选择题 Your vessel was damaged and initially assumed a significant list and trim; however，further increase has been slow. Based on this data，what should you expect?（）