Unverified82% confidenceCautionTime unknown
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
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82%
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Long-term
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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92% similarUnverified大型犬需选钢管焊接框架+底部固定件或地钉的围栏，塑料拼接款(卡扣结构)易被撞开或推倒，实测25kg以上犬只可推动无固定的塑料围栏移位甚至掀翻91% 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90% 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88% similar
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