[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

垫片密度比厚度更重要:低密度厚垫会被体重压塌导致坐骨直接压硬座,选坐骨支撑区密度≥60kg/m³的多密度垫,比单纯追求厚度更防痛

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