B2组行双侧股骨头多孔髓芯减压术治疗，B1组未进行任何治疗处理。

The multiple core decompression was performed bilaterally in group B2. Group B1 had no treatment.

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B2组行双侧股骨头多孔髓芯减压术治疗，B1组未进行任何治疗处理。

The multiple core decompression was performed bilaterally in group B2. Group B1 had no treatment.

youdao