[KongchangAI]
Unverified80% confidenceFactTime unknown

化学(醋酸钠)暖手宝通过按压结晶放热,一次约释放热量30-50分钟且温度不可调,需煮沸复位,无电子风险但持续时间短、温度衰减快

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80%
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Long-term
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