問題詳情

21.「Wreck over which the exact depth is unknown, but which is considered to have a safeclearance at the depth shown」- it will be marked in the chart as:
(A) 
(B) 
(C) 
(D) 

參考答案

答案:D
難度:非常簡單1
統計:A(0),B(0),C(0),D(1),E(0)

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