IPv6which is installed in its head is marked which flow label and prior two fields,can carry out service quality(QoS)control using this two fields.是什么意思_IPv6which is installed in its head is marked which flow label and prior two fields,can carry out service quality(QoS)control using this two fields.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句