Unverified85% confidenceDecision RuleTime unknown
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
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Unverified材质耐用性排序：金属（钢/铝）>硬木>塑料，会啃咬的犬只避免选塑料件或塑料门闩，金属款虽重但抗撕咬且撑力稳定，木质款美观但接缝易被啃咬松动88% 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88% similarUnverified材质选择：金属（铁艺/铝合金）承压强防啃咬但可能夹爪，木质美观但易被啃咬破坏，塑料轻便但大型犬撞击易变形，有啃咬习惯的犬只避开木质和薄塑料87% similarUnverified材质选择上，塑料/树脂栅栏仅适合小型温顺犬和幼宠；哈士奇、马犬等破坏力强的犬种需镀锌钢管或加粗金属，塑料会被啃咬撞破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85% similar
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