单选题As the displacement of a vessel increases, the detrimental effect of free surface（）.AincreasesBdecreasesCremains the sameDmay increase or decrease depending on the fineness of the vessel's form
单选题
As the displacement of a vessel increases, the detrimental effect of free surface（）.
A
increases
B
decreases
C
remains the same
D
may increase or decrease depending on the fineness of the vessel's form
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