[KongchangAI]
Unverified85% confidenceFactTime unknown

自发热贴开封后需在几分钟内使用(接触空气即开始氧化反应),无法二次使用;电加热型可反复充电使用且温度可调、有定时断电,适合频繁使用者长期成本更低

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85%
Confidence
Long-term
Relevance
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curl https://kongchang.com/api/v1/knowledge/claims/182287
MCP
get_claim(id=182287)