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金属框虽显质感但夏季暴晒后鼻托和镜腿易发烫、汗液腐蚀，海边高盐雾环境优先选塑胶或不锈钢/钛材质框架

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Unverified金属齿拉链在潮湿或盐雾环境下（如海边、出汗频繁的运动服）长期使用可能出现氧化发黑，铜齿/铝齿品种耐腐蚀性有差异，对外观要求高的场景需留意。83% similar Unverified沿海或高盐雾环境不建议选普通镀锌/塑料触点插座，应选黄铜或不锈钢触点+PC阻燃外壳，普通铁质弹片1-2年内易锈蚀导致接触不良发热81% similar Unverified长途穿越及水域场景避免选纯金属哨，金属在低温下贴唇易冻粘皮肤，且铝合金遇海水盐雾易腐蚀，优先选ABS塑料或工程树脂材质78% similar Unverified电镀锌合金件在沿海、高湿度或频繁接触汗液的使用环境中防腐性明显弱于不锈钢件，如需长期户外或运动场景使用，应优先考虑不锈钢或铝合金材质。78% similar Unverified材质以黄铜或不锈钢为主，日常佩戴不易变形，但长期接触汗液或潮湿环境后部分镀层款有氧化变色风险77% similar

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