膝骨性关节炎是中老年人的常见多发病，严重地影响着人们的健康和正常生活。
Knee osteoarthritis is common in the elderly frequently-occurring disease, seriously affecting people's health and normal life.
膝骨性关节炎是中老年人的常见多发病，严重地影响着人们的健康和正常生活。
Knee osteoarthritis is common in the elderly frequently-occurring disease, seriously affecting people's health and normal life.
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