单项选择题
The difference between the starboard and port drafts due to wind or seas is called（）.
A.list B.heel C.trim D.flotation
单项选择题 The difference between the starboard and port drafts caused by shifting a weight transversely is（）.
单项选择题 The change in trim of a vessel may be found by（）.
单项选择题 A change of trim may be simply defined as（）.
