3. 船舶非永遠保持平正狀態,若艏艉吃水差為零時,稱為下列何者?
(A) Trim
(B) Trim by Stern
(C) Trim by Head
(D) Even Keel .
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統計: A(44), B(20), C(12), D(366), E(1) #1777332
統計: A(44), B(20), C(12), D(366), E(1) #1777332