Objective:To investigate whether the micro grinding drill (MGD) could substitute for the ring saw (RS) during anterior operation of the cervical spine.是什么意思_Objective:To investigate whether the micro grinding drill (MGD) could substitute for the ring saw (RS) during anterior operation of the cervical spine.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句