[KongchangAI]
Unverified75% confidenceFactTime unknown

凝胶配方中含丙二醇/甘油成分的冰袋冰点低于纯水,冷冻后温度更低保冷更久,但需更严格隔布防冻伤;纯水冰袋约0℃融化快但更安全

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75%
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Long-term
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