阿摩線上測驗
4. What is the vertical distance between forward masthead light and after masthead light for a
vessel of 150 meters in length?
(A) At least 3 meters.
(B) At least 4.5 meters.
(C) At least 5 meters.
(D) At least 6 meters.
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統計： A(1), B(2), C(1), D(0), E(0) #4055212
統計： A(1), B(2), C(1), D(0), E(0) #4055212
