Unverified80% confidenceTradeoffTime unknown
挡边越高越能兜液，但过高（>2cm）会遮挡小型犬猫进食视线、增加进出障碍，也不利于宠物低头舒适取食；小型宠物选5-10mm挡边即可
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80%
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Long-term
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Unverified阻挡幼犬/小型犬跨越，挡板有效高度需≥30cm；中型犬≥45cm；防止猫钻缝隙则重点看底部密封而非高度，高度20cm即可87% similarUnverified围栏格栅间距应小于宠物头部宽度：幼猫/小型犬间距需≤2.5cm防止卡头钻出，中大型犬可选3-5cm；间距过大易造成宠物卡头窒息或逃脱87% similarUnverified猫用慢食器齿间距应控制在0.8-1.5cm，过宽起不到减速作用，过窄猫掌够不到；狗用可放宽到2-3cm，直接用犬款给猫往往无效86% similarUnverified栏杆间距（竖条缝隙）需小于宠物头部宽度：小型犬/幼猫间距≤3cm防卡头，中型犬≤5cm；间距过大幼宠会尝试钻出被卡住导致窒息风险86% similarUnverified网格间距（栅栏杆间隙）需小于宠物头部宽度：幼猫/仓鼠等小宠间距≤2.5cm防钻出，中大型犬间距≤5cm防卡头，选购时优先看间距数值而非'防逃逸'宣传85% similar
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