distress alerting network
短語詞組
- combined distress alerting network 聯(lián)合遇險報警系統(tǒng);組合遇險報警網(wǎng)絡
- up distress alerting network 國際海事衛(wèi)星備用遇險報警系統(tǒng)
- primary distress alerting network 主要遇險報警網(wǎng)絡
- direct secondary distress alerting network 直接第二遇險報警系統(tǒng)
- INMARSAT back -up distress alerting network 國際海事衛(wèi)星備用遇險報警系統(tǒng) 返回 distress alerting network