GUO SF.The measure of bony structure of Lumbar spinal canal and spinal stenosis[J].Chin J Surg,1984,22:631.是什么意思_GUO SF.The measure of bony structure of Lumbar spinal canal and spinal stenosis[J].Chin J Surg,1984,22:631.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句