最大的可能性是退行性骨關節炎。這是老年人的常見病。其實就是年齡大了，機器老了n

來源: 薛成於 2014-06-19 08:12:05 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.