federal telecommunication system是什么意思 federal telecommunication system在线中文翻译

federal telecommunication system是什么意思，federal telecommunication system在线翻译，federal telecommunication system中文意思，federal telecommunication system的中文翻译，federal telecommunication system发音，federal telecommunication system例句，federal telecommunication system词组短语，federal telecommunication system怎么翻译，单词federal telecommunication system的意思