[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

软壳(EVA/记忆棉填充)适合硬地板室内学步,缓冲厚度2-3cm即可;硬壳(PC外壳+内衬)仅在有台阶、瓷砖尖角或宝宝已能快跑的阶段才有必要,室内平地用硬壳反而增加颈部负担

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82%
Confidence
Long-term
Relevance
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