[KongchangAI]
Unverified78% confidenceTradeoffTime unknown

材质上EVA发泡包裹层比纯PE/PP硬塑料更安全,撞击缓冲好;但发泡层过软过厚会增加圈体形变导致转动不稳,包裹层厚度3-5mm为平衡点

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78%
Confidence
Long-term
Relevance
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