48 某船船寬為B,當橫傾角為θ時,其吃水增加量可由下列何項算式估算?
(A) B x sinθ
(B) B x c°sθ
(C) B/2 x sinθ
(D) B/2 x c°sθ

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統計: A(0), B(0), C(9), D(0), E(0) #2504448