Unverified75% confidenceTradeoffTime unknown
加热均匀度与温度爬升速度存在权衡:远红外碳纤维加热均匀舒适但升温慢(3-5分钟),金属电阻丝升温快(1分钟)但易出现局部热点,怕烫或敏感肌选前者
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