[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

海绵密度低于30D的简易沙发坐垫,使用半年后普遍会塌陷变形,追求耐用应选高回弹海绵密度≥35D,或选独立弹簧+海绵复合坐垫

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