GOST R ISO/IEC 10021-7-1997 Information technology. Text communication. Message-oriented text interchange systems (MOTIS). Part 7. Interpersonal messaging system 138是什么意思_GOST R ISO/IEC 10021-7-1997 Information technology. Text communication. Message-oriented text interchange systems (MOTIS). Part 7. Interpersonal messaging system 138在线翻译_英语_读音_用法_例句