Unverified85% confidenceDecision RuleTime unknown
金属焊接式围栏比塑料卡扣式抗撞击强，管径≥1.6mm或方管截面≥16mm的钢管可承受25kg以上犬只冲撞不变形；塑料围栏仅适合10kg以下犬只
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85%
Confidence
Long-term
Relevance
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Unverified塑料/PP材质围栏轻便易折叠但抗撞击差，30kg以上犬冲撞易倾倒；大型犬应选带地钉或加重底座的金属焊接围栏，单片重量≥1.5kg更稳固93% similarUnverified材质选择：金属管径≥16mm且带焊接横杆的钢管围栏抗撞抗咬；塑料围栏仅适合幼犬或不啃咬的小型犬，大型犬会顶翻或咬断92% similarUnverified塑料围栏虽轻便易清洗但稳固性差，20kg以上犬只推撞可推倒，中大型犬应选加粗金属管（管径≥2cm）或木质围栏92% similarUnverified防大型犬冲击优先选钢管直径≥1.2cm的镀锌钢管或加粗铁艺，网格间距≤5cm防钻头卡头；塑料/树脂围栏仅适合小型犬和幼犬，大型犬扑咬会开裂89% similarUnverified稳固性判断：拼接式围栏（无底盘）易被大型犬顶翻，25kg以上犬应选带地脚固定或L型加固片的款式；铁丝网片厚度≥8mm、立柱管径≥20mm才能抵抗撞击89% similar
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