[KongchangAI]
Unverified75% confidenceFactTime unknown

红光/近红外理疗仪的有效波长为630-660nm(红光,作用皮肤浅层)和810-850nm(近红外,穿透更深至肌肉关节),选购需看标注具体波长而非仅'红外'字样,功率密度是决定作用效果的关键

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