[KongchangAI]
Unverified82% confidenceDecision RuleTime unknown

尺寸选择需按谷物密度换算,1L容积约装大米0.8kg,5kg大米需选约6-7L(如28×40cm)袋并预留1/5抽气空间,装满至袋口无法有效抽真空

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82%
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