8. What is a freeboard mark on ship’s side?
(A) Plimsoll mark.
(B) Plimsol mark.
(C) Plymouth mark.
(D) Plymsol mark.
答案:登入後查看
統計: A(388), B(115), C(47), D(75), E(0) #3155814
統計: A(388), B(115), C(47), D(75), E(0) #3155814