且较重
And heavier
以上为机器翻译结果，长、整句建议使用 人工翻译 。
结论青少年脊柱骨折致伤原因以坠落伤为多，骨折脱位型多，脊髓损伤较重且合并伤多。
Conclusions the injuries were mostly caused by falling. Fracture-dislocation was the most common type.
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