Before joining ETSI he was Head of the Standardization Division of the Ministry of Posts and Telecommunications (BMPT) at Bonn.是什么意思_Before joining ETSI he was Head of the Standardization Division of the Ministry of Posts and Telecommunications (BMPT) at Bonn.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句