[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

腰椎间盘突出/腰肌劳损人群选记忆棉密度≥50D的护腰抱枕,回弹时间2-3秒可持续填补腰椎生理曲线空隙;低于40D的普通海绵1个月内塌陷失去支撑

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