問題詳情

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.

參考答案

答案：D

統計：A:30,B:14,C:27,D:156,E:0

難度：適中