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Unverified78% confidenceCautionTime unknown

储存粉末类（面粉/奶粉）不建议用真空罐反复抽气，抽气会带走细粉并堵塞阀门，选普通密封罐即可

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Unverified存放粉状物（面粉、奶粉、咖啡粉）不建议选内置抽气泵直接接触内容物的型号，粉末易堵塞气道并污染泵体85% similar Unverified腌制发酵类（泡菜、咸菜）不建议买带电动真空泵的密封盒，发酵产气会持续破坏真空且反复抽气影响菌群，浪费真空功能83% similar Unverified液体或高含水食物（汤、酱）不建议用普通真空袋直接抽气，抽气时液体会被吸入泵体或阀门，需先冷冻成固态再抽真空82% similar Unverified存储咖啡豆不建议只看真空，应选带单向排气阀的专用真空罐——新鲜咖啡豆持续释放CO2，普通全密封真空罐会因内压变化导致密封失效或阀门被顶开81% similar Unverified带汤面/粥类不建议买普通保温饭盒，应选闷烧杯（焖烧罐），其真空保温可用余温继续焖熟燕麦、粥、汤面，普通饭盒做不到持续加热81% similar

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