Unverified82% confidenceDecision RuleTime unknown
带气室/漂浮设计的干袋落水后可托举装备漂浮，皮划艇及独木舟场景优先选带漂浮性能款，普通防水包落水会下沉
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82%
Confidence
Long-term
Relevance
-
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Unverified漂流、皮划艇等水上（非水下）场景不建议只买防水袋——应选带浮力/挂绳（lanyard）设计的款式，落水后能浮起或系在身上，避免设备沉底丢失88% similarUnverified内置浮力设计使落水后腰包可漂浮在水面，降低物品沉底丢失风险，这是区别于普通防水袋的核心卖点87% similarUnverified自带浮力设计，落水后包体可漂浮，适合皮划艇、漂流等有落水风险的场景保护贵重物品86% similarUnverified长时间漂流或落水风险高的场景，不建议只依赖拉链式防水包（易进水），应选卷口干袋并预留浮力空间使其能漂浮85% similarUnverified标称漂浮功能的腰包需内置气室或EVA浮力层，普通防水包进水后会下沉，落水担忧场景需确认标注'floating/浮力'而非仅'waterproof'85% similar
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