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An icebreaker displaying a flag hoist


An icebreaker displaying a flag hoist which consists of the code letters “WO” (Whiskey Oscar) is indicating that().

  • Aicebreaker support is finished
  • Bicebreaker support is commencing
  • Cthe icebreaker is icebound
  • Dthe icebreaker is beset
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分类:固体散装危险品与BC规则题库