Objective: To investigate the diagnosis and the surgical method of ossification of ligamentum flavum (OLF) in the thoracic spine.是什么意思_Objective: To investigate the diagnosis and the surgical method of ossification of ligamentum flavum (OLF) in the thoracic spine.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句