- 搜標(biāo)題
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- 搜選項(xiàng)
單項(xiàng)選擇題
A change of trim may be simply defined as（）.
A.the change in difference between the forward and aft drafts
B.the sum of free communication, free surface and pocketing
C.the moment of inertia of the ship's waterline plane about the athwartship axis
D.rolling and listing
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