[KongchangAI]
Unverified90% confidenceCautionTime unknown

半导体制冷片(帕尔贴)是可穿戴控温仪的核心,冷热双向机型必须采用帕尔贴方案;仅有加热功能的多为PTC电阻或碳纤维发热片,无法制冷,购买前需确认冷热双向标注中的'制冷'是否为真半导体制冷而非'停止加热'的伪降温

1
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90%
Confidence
Long-term
Relevance
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