SPINAL CANAL DECOMPRESSION BY PARTIAL LAMINECTOMY WITH PRESERVATION OF THE PROCESS FOR THE TREATMENT OF STENOSIS OF THE LUMBAR SPINAL CANAL IN THE ELDERLY是什么意思_SPINAL CANAL DECOMPRESSION BY PARTIAL LAMINECTOMY WITH PRESERVATION OF THE PROCESS FOR THE TREATMENT OF STENOSIS OF THE LUMBAR SPINAL CANAL IN THE ELDERLY在线翻译_英语_读音_用法_例句