英语词汇“PSTN?Public?switched?telephone?network?”的翻译、意思、用法、释义-英汉汉英双解词典

单词	PSTN?Public?switched?telephone?network?
释义	PSTN?Public?switched?telephone?network? 公共电话交换网?
随便看	silver general silver generals silver german silver German silver gilt silver-gilt silver-gold deposit silver gold inlaid lacquer ware silver/gold jewellery silver-golds silver goose silver graded nanowire silver grain silver-grain silver grain cochineal silver-grained Silver Grant International Industries Limited silvergraphite silver graphite silver-graphite silver graphite brush silver-graphite brush silvergrass silver grass silver grasses