[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

充氮/单向排气阀包装是新鲜度关键指标:优质挂耳采用单向排气阀+氮气填充铝箔袋,可排出咖啡自身CO2同时隔绝氧气;普通热封透明袋成本低但氧化快,长期囤货应选前者

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85%
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Long-term
Relevance
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