Roots avulsion injury is the most severe injury type of the brachial plexus lesions characterized by the interruption of rootlets from cervical cord.是什么意思_Roots avulsion injury is the most severe injury type of the brachial plexus lesions characterized by the interruption of rootlets from cervical cord.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句