Unverified80% confidenceTradeoffTime unknown
压缩袋压缩后体积虽减小但重量不变，背包客需注意压缩仅优化空间不减负重，且高压缩会使物品变硬块状反而难以贴合背包内壁填充空隙
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80%
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Long-term
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Unverified压缩后体积缩小但重量不变，托运行李如果限重而非限体积才有意义，随身登机箱主要解决的是空间问题84% similarUnverified压缩比越高对材质密封性和厚度要求越高，两者是矛盾关系：极致压缩的薄膜袋往往易破损漏气，耐用可反复用的厚袋压缩极限反而更低79% similarUnverified袋体越厚耐用度和密封性越好，但柔韧性差、压缩后仍占空间且抽气更费力；旅行衣物压缩追求薄而韧，食品冷冻追求厚而密，两者需求相反79% similarUnverified压缩率越高（挤压越狠）取出后衣物褶皱越严重，需要熨烫；旅行短期收纳选中等压缩率的卷压袋，兼顾体积与褶皱79% similarUnverified压缩率越高（真空式）膜料越厚重、越依赖设备，便携性越差；手压式牺牲部分压缩率换取免工具和轻便，出行党应优先便携而非极致压缩率78% similar
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