问题
单项选择题
A ship lists and trims about the（）.
A.center of gravity
B.center of buoyancy
C.center of flotation
D.centroid of the underwater volume
答案
参考答案：C
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A ship lists and trims about the（）.
A.center of gravity
B.center of buoyancy
C.center of flotation
D.centroid of the underwater volume
参考答案：C