[KongchangAI]
Unverified90% confidenceTradeoffTime unknown

硬度与舒适性权衡:安全标准要求婴儿床垫必须偏硬,家长感觉'太硬不舒服'是正常的,切勿因体感为婴儿选择软床垫,1岁前不需要考虑柔软度

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