12. What do we call a point of contact between the turning circle and the middle line of a
ship?
(A) Pitch point.
(B) Metacenter.
(C) Gravity center.
(D) Pivot point.
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統計: A(71), B(54), C(84), D(463), E(0) #3209677
統計: A(71), B(54), C(84), D(463), E(0) #3209677