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