单项选择题
A.pump fuel oil from midships to the ends of the vessel
B.reduce speed
C.take a course which most eases the vessel
D.All of the above
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（）.
单项选择题 In order to reduce the accumulation of static electricity while loading petroleum products, you should（）.