Unverified85% confidenceDecision RuleTime unknown

电线电缆按含铜量计价而非整体重量，带绝缘皮的电线回收价约为纯铜价的40-60%，若量大（>20kg）可要求剥皮后按纯铜结算，价差可达一倍

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Unverified纯铜咬齿夹导电性和夹紧力优于铁夹和铜包铝，但纯铜线材整体成本更高，性价比款靠控制线径和长度来平衡价格72% similar Unverified碳纤维版相比铝合金版轻了约数百克，但价格几乎翻倍；如果不是频繁长距离徒步携带，铝合金版的性价比更高68% similar UnverifiedOFC无氧铜导体导电率优于CCA铜包铝线，但价格明显更高且线材更重更硬，弯折布线时不如铜包铝灵活67% similar Unverified铝合金材质使其重量约260g，相比同级碳纤维弯把重60-100g左右，但刚性表现扎实且价格明显更低，是性价比导向的选择67% similar

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