[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

婴幼儿学步防摔帽的核心防护应集中在后脑和额头,后脑缓冲厚度≥3cm、额头护圈厚度≥2cm才能有效缓冲后仰跌坐冲击(学步期最常见的是向后摔倒)

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