[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

硬度与舒适度的权衡:越硬越安全但0-3月新生儿颈椎脊柱发育需要一定支撑均匀性,不必追求极硬如木板,选中高硬度(能承托且表面平整无凹陷)即可,不要因追求柔软而牺牲安全底线

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