最后，坏死骨塌陷，扭曲叠压关节软骨从而产生继发性骨关节炎。

Eventually, the necrotic bone collapses, distorting the overlying articular cartilage and producing secondary osteoarthritis.

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最后，坏死骨塌陷，扭曲叠压关节软骨从而产生继发性骨关节炎。

Eventually, the necrotic bone collapses, distorting the overlying articular cartilage and producing secondary osteoarthritis.

youdao