Unverified90% confidenceDecision RuleTime unknown
外置式(吸气式)封口机真空度约-60kPa至-80kPa,适合干性食材和普通家庭;腔体式(Chamber)可达-90kPa以上且能封液体和粉末,适合大量分装和自制卤汁、汤类
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90%
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Long-term
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