[KongchangAI]
Unverified85% confidenceFactTime unknown

EPP材质泡沫轴密度可达到45-60kg/m³,长期使用不易变形塌陷;EVA材质密度约30kg/m³偏软,半年高频使用后易出现凹陷永久变形

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85%
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Long-term
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