[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

脱氧剂开封(拆真空外袋)后暴露空气中会立即开始反应,铁系产品通常需在30分钟-2小时内用完,否则拆封后接触空气就已消耗容量;一次用不完的应整包购买小规格分装,避免拆大包散装

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