Unverified78% confidenceDecision RuleTime unknown
容量选择应留20%空间不装满：抽真空罐需要顶部空隙才能形成负压密封，装满会导致抽气无效，如存500g奶粉应选600-700ml罐
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78%
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Long-term
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Unverified容量选择应留20%空间余量，因抽真空需要盖体下压空间，罐子装满会导致无法有效抽气或食物被挤压89% similarUnverified尺寸选择原则：装填量应为标称容量的70-80%，塞满至100%会导致拉链两端受力过大而漏气，也无法完成有效真空压缩78% similarUnverified小容量单开门冰箱（<200L）不必买大规格除味盒，50-100g小型款足够；容量过大反而占用本就紧张的储物空间76% similarUnverified拉篮宽度需比柜体内径小30-40mm预留安装间隙，标准600mm柜体应选560mm内径拉篮，超出会卡死无法安装76% similarUnverified厨房台面空间紧张（可用宽度＜35cm）不建议购买大容量立式消毒烘干一体机，占地过大且日常清洁不便，可考虑小型蒸汽奶瓶消毒器替代75% similar
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