[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

床板高度可调是核心功能:新生儿期用最高档(离床顶约20cm)方便抱放减轻腰部负担,婴儿能坐起后(约5-6月)必须调至中档,能站立后(约9月)降到最低档(床沿距床板≥55cm)防翻越

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