Unverified85% confidenceFactTime unknown
带单向排气阀（degassing valve）的铝箔袋是新鲜烘焙的标志，若礼盒内咖啡豆用普通塑料袋或透明罐装且无排气阀，多为陈豆或走量货
1
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85%
Confidence
Long-term
Relevance
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First Seen
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Unverified袋装咖啡豆包装带单向排气阀(one-way valve)的说明是新鲜烘焙豆，无排气阀的多为陈豆或深度脱气处理的商业豆，新鲜度优先选前者80% similarUnverified袋身有刻度线标记，方便腌制时按比例分装酱汁和食材，这是区别于普通密封袋的实用细节68% similarUnverified液体或汤汁类食物选卡扣式（滑动锁扣）密封袋比普通夹链更防漏，夹链需手指按压全程贴合，实际操作易留缝66% similarUnverified带罐/盒抽气接口（配真空罐、真空盒）的机型可扩展玻璃罐真空保鲜，适合腌菜、咖啡豆、易碎食物，比袋封更实用64% similarUnverified咖啡豆包装应带单向排气阀（防氧化又排放二氧化碳），无排气阀的透明塑封大包装说明保鲜工艺差，不建议囤货64% similar
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