A、specified by international authorities
B、specified by national authorities
C、on standard map
D、on the chart or Sailing Directions in use
A、specified by international authorities
B、specified by national authorities
C、on standard map
D、on the chart or Sailing Directions in use
时间:2022-01-03 05:10 关键词: 进港指南 水路交通运输技能考试 海船船员考试
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