8. What is a freeboard mark on ship’s side?
(A) Plimsoll mark.
(B) Plimsol mark.
(C) Plymouth mark.
(D) Plymsol mark.
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統計: A(396), B(118), C(50), D(77), E(0) #3155814
統計: A(396), B(118), C(50), D(77), E(0) #3155814