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Unverified88% confidenceDecision RuleTime unknown

美利奴羊毛袜纤维直径≤17.5微米（可标注为superfine）才不扎皮肤，长距离徒步选羊毛含量50-70%的混纺款，纯羊毛耐磨性差易破洞

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Unverified纤维直径约19.5μm的超细美利奴羊毛，直接贴身穿扎感较低，适合对普通羊毛敏感但未达羊绒级别需求的人群89% similar Unverified羊毛纤维直径≤18.5微米才属于真正的美利奴细羊毛，贴身穿几乎无刺痒感；17.5微米以下为超细美利奴（Superfine），敏感肌可选；超过19.5微米则贴身会有明显扎感89% similar Unverified纤维直径≤18.5微米是其不刺痒的关键参数：超细美利奴羊毛可直接贴身穿着，对传统粗羊毛过敏/有刺痒不适史的用户，通常也能耐受，这是区别于普通羊毛产品的核心事实。87% similar

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curl https://kongchang.com/api/v1/knowledge/claims/168822

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get_claim(id=168822)