Unverified82% confidenceTradeoffTime unknown
厚度与抽气效果存在权衡：袋子越厚（≥120微米）越耐扎耐冻但柔韧性差、家用机抽气更费力甚至抽不实，日常保鲜90-100微米是平衡点
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82%
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Long-term
Relevance
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