Unverified85% confidenceDecision RuleTime unknown
尺寸选择应比蜷缩时身体投影大20%-30%，过大则体温无法聚集导致保温失效，过小宠物拒绝使用；测量方法为宠物蜷睡时最长边×1.2
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85%
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Long-term
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Unverified垫子尺寸应比宠物体长大20-30%，太小宠物蜷缩无法完全接触反射面导致蓄热无效；建议按宠物趴卧姿态测量而非站立体长86% similarUnverified尺寸选择遵循宠物趴卧长度×1.2倍原则，需覆盖宠物侧躺身长，过小会导致宠物只踩踏部分身体降温不均；大型犬建议选≥90×50cm规格86% similarUnverified垫子尺寸应比宠物趴卧时占地面积大20-30%，让宠物既能全身接触又能移开半身自主调节温度；尺寸刚好或偏小会导致宠物无法躲避热源，长时间局部受热易低温烫伤84% similarUnverified垫子尺寸应比宠物趴卧时的身体投影大10-20%，太小宠物半身悬空达不到降温效果，太大则接触面积浪费且占空间83% similarUnverified垫子尺寸应比宠物趴卧时的身体投影大30%左右，留出宠物可移动到非加热区域的空间，让宠物能自主调节体感温度，避免只能全身贴热83% similar
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