Unverified85% confidenceSolutionTime unknown
极寒地区（-10℃以下）亲子出行，儿童棉服保暖不足，应采用洋葱式叠穿：速干内衣+抓绒中层+棉服/羽绒外层，而非单纯增加棉服厚度，避免臃肿限制活动
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85%
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Long-term
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