COSPAS-SARSAT system is one part of the GMDSS,which plays an important role in aspect of rescue and salvage at sea.是什么意思_COSPAS-SARSAT system is one part of the GMDSS,which plays an important role in aspect of rescue and salvage at sea.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句