[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

真空度是关键指标:普通电动便携泵极限真空度约-60~-70kPa,专业级可达-85kPa以上。红酒瓶塞/腌制/低温慢煮需要-80kPa以上才能有效延长保鲜,普通零食干货保存-60kPa即可

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