問題詳情

38.“Obstruction or danger to navigation the exact nature of which is not specified or has notbeen determined, depth unknown” - it will be marked in the chart by:
(A) 5f1e41b71fcbd.jpg
(B) 5f1e41c7b039c.jpg
(C) 5f1e41d8c3c02.jpg
(D) 5f1e41ea33e63.jpg



參考答案

答案:A
難度:非常簡單1
書單:沒有書單,新增

內容推薦