Unverified85% confidenceFactTime unknown
缓冲填充层EPS（发泡聚苯乙烯）为一次性抗冲击材料，受过一次明显撞击后即使外观完好也应更换；EPP（发泡聚丙烯）可反复缓冲适合儿童反复轻摔场景
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85%
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Long-term
Relevance
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