Unverified70% confidenceDecision RuleTime unknown
选带充气或半空气腔设计的卷口袋可实现落水漂浮，涉水/船上场景优先此类，纯实心袋落水后会沉底
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70%
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Long-term
Relevance
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Unverified漂浮设计分两类：整套发泡材料自浮款可让整机漂在水面便于打捞，但会增大体积不便携；分体式漂浮腕带/挂件款便携但仅辅助浮力，重型对讲机（>250g）落水仍会下沉，重机型必须选整套浮力款84% similarUnverified漂浮性能仅在包内留有空气时成立，装满物品会下沉；需真正漂浮救生功能应选内置气囊或'floats when sealed with air'明确标注的型号84% similarUnverified该款不带漂浮设计，落水即沉，需要漂浮功能的用户应另选带浮力带或自浮款型80% similarUnverified自动充气式救生衣（气瓶充气）浮力大（150N-275N）且平时不臃肿，适合航海/帆船；但不适合桨板、皮划艇等高频入水或翻船运动，因为反复浸水会误触发或耗尽气瓶，此类运动应选泡沫固定浮力款76% similarUnverified吸盘固定式在长期潮湿环境下吸力会衰减脱落，甩干高速运转时易被甩飞卡入排水口，波轮机优先选带挂钩或卡扣的固定方式73% similar
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