Under such circumstances, the Data Communication Bureau of Yunnan Province and Data Communication Branch Bureau of Kunming Telecom respectively brought forward the issue of upgrade, planning and optimization of the Kunming DDN.是什么意思_Under such circumstances, the Data Communication Bureau of Yunnan Province and Data Communication Branch Bureau of Kunming Telecom respectively brought forward the issue of upgrade, planning and optimization of the Kunming DDN.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句