Unverified85% confidenceDecision RuleTime unknown
锁扣优先选金属材质（锌合金/不锈钢）配侧压式或磁吸+机械双重锁，塑料插扣长期使用易脆化，10kg以上犬只暴冲时塑料扣断裂风险显著升高
1
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85%
Confidence
Long-term
Relevance
-
First Seen
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Unverified连接扣件优先选择铝合金弹簧钩或攀岩扣，塑料快拆扣在两犬同时发力时易断裂，锌合金扣易在低温脆裂85% similarUnverified塑料快拆扣与金属扣的权衡：塑料扣轻便、单手可开、适合频繁摘戴的小型犬猫；金属扣牢固但重、开合需双手，适合中大型犬84% similarUnverified塑料（PP/ABS）门挡轻便适合小型宠物，但大型犬啃咬易破损；金属（钢/铝合金）耐咬防拱但重量大，顶压式重金属款反而更依赖门框摩擦力83% similarUnverified金属材质承重与耐冲击性远高于塑料，30kg以上中大型犬或爱撞门的宠物必须选全金属框架，塑料件易被咬坏或撞断83% similarUnverified尼龙项圈的抗拉强度取决于织带密度与厚度，优质款采用双层加厚尼龙织带+金属插扣（非塑料扣），大型犬应选金属扣防止暴力拉扯崩裂82% similar
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