[KongchangAI]
Unverified82% confidenceTradeoffTime unknown

U型尾骨凹槽设计能有效减轻尾椎压力,但对大腿两侧的承托面积相应减少,体重较大者可能感觉坐感偏窄或两侧支撑不足

1
Sources
82%
Confidence
Long-term
Relevance
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First Seen

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