[KongchangAI]
Unverified80% confidenceSolutionTime unknown

选购防水袋标准决策路径:先定场景(防雨溅选IPX4拉链款→浅水选IPX7卷口款→水下拍摄选IPX8专用款)→再定容量(手机/漂流20L/装备背包)→选材质(低温长期选TPU,一般用PVC)→确认封口维护成本

1
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80%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/139952
API
curl https://kongchang.com/api/v1/knowledge/claims/139952
MCP
get_claim(id=139952)