The screw should be placed at the cross point which is 20 mm beside the midpoint of atlantal posterior tubercle and 3 mm above the inferior margin of arcus posterior atlantis during the operation of atlantal lateral mass screw-plate internal fixation.是什么意思_The screw should be placed at the cross point which is 20 mm beside the midpoint of atlantal posterior tubercle and 3 mm above the inferior margin of arcus posterior atlantis during the operation of atlantal lateral mass screw-plate internal fixation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句