[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

近红外线(NIR,波长780-1400nm)穿透深度可达皮下2-5cm,适合深层肌肉、关节疼痛理疗;远红外线(FIR,波长3000nm以上)主要作用于皮肤表层,适合浅表暖身与促进局部血液循环。选购前先确认理疗深度需求

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85%
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Long-term
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