[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

凝胶内芯(可冷可热反复使用)保温时间短仅20-30分钟但可微波快速复热;石墨烯/电热丝USB款可恒温维持数小时但需连接电源限制活动

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80%
Confidence
Long-term
Relevance
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https://kongchang.com/claim/256997
API
curl https://kongchang.com/api/v1/knowledge/claims/256997
MCP
get_claim(id=256997)