单项选择题
A.move port-side main-deck cargo to the starboard side
B.fill the starboard double-bottom
C.pump water from the port double-bottom to the starboard double-bottom
D.pump water from the port double-bottom over the side
单项选择题 In heavy weather you notice buckling in the midship deck plating of you vessel. To relieve the strain you could（）.
单项选择题 In order to determine the trimming arm for your vessel at any particular draft, which of the following would you compare?（）.
单项选择题 In order to minimize the effects of a tender vessel, when carrying a cargo of lumber, you should（）.