短語詞組短語maritime distress manoeuvring 海難應(yīng)急操縱maritime distress call 海上遇險呼叫maritime distress maneuvering [水運]海難應(yīng)急操縱maritime distress channel 海上遇險頻道;海上遇險信道maritime distress system 海上遇險系統(tǒng)Maritime distress events 海上遇險事件global maritime distress safety system 全球海上遇險與安全系統(tǒng)global maritime distress and safety 全球遇險與安全系統(tǒng) 返回 maritime distress