Unverified85% confidenceTradeoffTime unknown
卷封开口需卷3道以上并扣合才能保证防水，卷得越紧内部可用容量越小，1L标称容量卷封后实际约0.6-0.7L可用
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85%
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Long-term
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Unverified卷口封口设计需要留出足够的卷折余量（通常至少3-4次卷折）才能保证防水密封，实际可用容量会小于标称容量89% similarUnverified卷口式（roll-top）封口需卷3-4折并扣合两端卡扣才达到宣称防水等级，只卷1-2折防水失效；卷口包容量标称按'卷折后'算，实际装载比标称大30%85% similarUnverified免打孔粘胶挂架承重≥5kg才能稳定挂平板拖把+扫把组合，单钩承重＜3kg的容易在拖把湿水后脱落84% similarUnverified可重复使用款需看拉链密封条材质与厚度：双封条+滑扣设计密封性优于单封条；袋体厚度≥0.08mm（约80微米）才能多次抽真空不漏气，薄于0.06mm的用2-3次即失效82% similarUnverified免打孔粘贴式挂架单点承重普遍标称3-5kg但实际安全值应打7折，超过3kg的锅具、刀架、调料瓶组应选膨胀螺丝打孔安装，否则时间久了胶层受热受潮会脱落81% similar
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