阿摩線上測驗
5. Vessels are only permitted to discharge sewage en route subject to certain circumstances specified by Resolution II MARPOL IV where vessels should maintain a speed of _____ while discharging sewage.
(A) Not less than 3 knots.
(B) Not less than 4 knots.
(C)Not less than 6 knots.
(D) Not less than 7 knots.
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統計： A(73), B(323), C(149), D(121), E(0) #2051365
統計： A(73), B(323), C(149), D(121), E(0) #2051365
