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船舶通訊與航海英文(概要)題庫下載題庫

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40.When a ship moves from water of one density to water of another density, without the change of her displacement, _____ will change.
(A)the center of gravity
(B)the displacement
(C)the draft
(D)the force of buoyancy



40.When a ship moves from water of one d..-阿摩線上測驗