6. 船艏平均吃水小於船艉平均吃水，且艏艉平均吃水大於船舯平均吃水，則下列何者敘述 正確?
(A) Trim by the stern and Hogging.
(B) Trim by the stern and Sagging.
(C) Trim by the head and Hogging.
(D) Trim by the head and Sagging.

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