Domestic corporation use EDt mainly forinfrastructure and simple data transmission, value-added service is still inoriginal period, the opened EDt system has not been established.是什么意思_Domestic corporation use EDt mainly forinfrastructure and simple data transmission, value-added service is still inoriginal period, the opened EDt system has not been established.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句