Palavra chave: 即時(shí)(shí)通訊______________，企業(yè)(yè)(yè)(yè)(yè)溝通_____，龍笛即時(shí)(shí)通______，視頻會(huì)議_，集成開發(fā)(fā)(fā)(fā)(fā)______，金笛短信