Unverified75% confidenceTradeoffTime unknown
手动挤压式(无泵)压缩袋若无单向阀,手松开后空气易回流,选带单向排气阀的手压款可维持压缩状态,纯挤压封口款仅适合短途运输
1
Sources
75%
Confidence
Long-term
Relevance
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