| 释义 |
global maritime distress and safety system全球海上遇险及安全系统学术学术★◀▶global maritime distress and safety system全球海上遇險及安全系統海洋科學名詞—造船工程global maritime distress and safety system{=GMDSS}全球海上遇險及安全系統海洋科學名詞—造船工程global maritime distress and safety system {=GMDSS}全球海上遇險與安 |