International Telecommunication Union国际电信联盟[ITU]详细»
international telecommunication union〔名词〕国际电信联盟详细»
international telecommunication union〔名词〕国际电信联盟详细»
international telecommunication union〔名词〕国际电信联盟详细»
international telecommunication union〔名词〕国际电信联盟详细»
International Telecommunication Union国际电信联盟国际电信联盟(联合国)国际无线电通信联盟详细»
国际电信联盟International Telecommunication Union详细»
国际电信联盟international telecommunication union详细»
国际电信联盟international telecommunication union;international telecommunications union;itu详细»