Unverified90% confidenceDecision RuleTime unknown
袋体厚度日常保鲜选0.15mm（约7-8丝）即可，冷冻肉类或带骨食材需0.18-0.22mm防止刺穿漏气，长期冷冻（＞3个月）建议尼龙+PE复合材质而非纯PE
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Long-term
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