[KongchangAI]
Unverified85% confidenceFactTime unknown

饮用水储备按每人每天3升(含饮用+基本卫生)计算,家庭3天储备远超食品体积占比;瓶装水保质期通常仅6-12个月(非水质变质而是包装塑化物迁移风险),需比食品更频繁轮换

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