阿摩線上測驗
20. Which of the followings do not belong to the important factors that should be considered
for maintaining a “safe speed” of a vessel?
(A) Visibility
(B) Traffic conditions
(C) Cargo types
(D) Ship draft
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統計： A(30), B(15), C(171), D(22), E(0) #3009041
統計： A(30), B(15), C(171), D(22), E(0) #3009041