阿摩線上測驗
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.
答案：登入後查看
統計： A(66), B(45), C(77), D(422), E(0) #3209677
統計： A(66), B(45), C(77), D(422), E(0) #3209677
