Unverified85% confidenceDecision RuleTime unknown
个人DIY和维修优先选有铅Sn63/Pb37共晶锡丝，比无铅更易焊、假焊率低、烙铁温度可控制在300-350℃；但成品若需出口欧盟或商业销售必须用无铅（RoHS合规）
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85%
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Long-term
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Unverified新手或DIY维修优先选有铅Sn63/Pb37焊锡丝，因熔点低（183℃）、流动性好、焊点成型漂亮，容错率高；无铅焊锡丝对烙铁温度和手法要求更高86% similarUnverified刀片材质优先选304或316不锈钢，316耐腐蚀性更强适合频繁蒸煮高温环境；避免选普通铁质镀层刀片，长期接触酸性果泥易生锈74% similarUnverified刀片材质选不锈钢（304/440）或碳钢，碳钢更锋利耐磨但易生锈需擦干保养，不锈钢维护简单适合家庭用户；避免普通铁镀层刀片，几次后即钝73% similarUnverified远红外高温机型内胆材质关键：优选304不锈钢内胆，镀锌板或喷漆内胆长期高温易生锈脱落，避免选用非不锈钢内胆的低温型高温柜73% similarUnverified户外刀具刃材优先选4Cr13MoV或8Cr14MoV不锈钢，硬度在55-58HRC区间，兼顾耐锈和保刃；纯高碳钢(如440C以上)虽锋利但户外潮湿环境极易生锈需频繁上油维护72% similar
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