Methods:Two cases of atlantoaxial instability were analysed retrospectively.Results:All cases obtained curative effect and were confirmed by X rays examination.是什么意思_Methods:Two cases of atlantoaxial instability were analysed retrospectively.Results:All cases obtained curative effect and were confirmed by X rays examination.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句