阿摩線上測驗
26. A vessel is seen showing two balls shapes in a vertical line. What does this day time signal indicate?
(A)A vessel engaged in fishing.
(B)A vessel engaged in trawling.
(C)A vessel not under command.
(D)A vessel constrained by draught.
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統計： A(3), B(0), C(4), D(0), E(0) #4054709
統計： A(3), B(0), C(4), D(0), E(0) #4054709
