Unverified86% confidenceDecision RuleTime unknown
床垫尺寸应比宠物侧卧完全伸展的长度大15-20cm，让四肢可伸直；用体长×1.25估算，过小的床迫使关节炎宠物蜷缩加重关节压力
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Unverified床垫尺寸应比宠物侧卧完全伸展时的长度长约25%，老年宠物睡眠时间长且需要充分伸展关节，过小的床垫会迫使其蜷缩加重关节僵硬89% similarUnverified宠物床内径应比宠物蜷缩时身长长10-15cm，标注尺寸多为外径，需减去边缘围挡厚度（通常5-10cm）才是实际睡眠区87% similarUnverified床垫厚度并非越厚越好：弹簧床垫需≥20cm才能容纳完整弹簧+舒适层，纯乳胶/棕垫10-15cm即可；矮床架或需上下方便的老人选18cm以下84% similarUnverified床笠式（四角带松紧+全包深袋）比平铺式+绑带固定更防跑偏，宠物抓挠翻动多的选床笠式且垫深应≥床垫厚度+5cm83% similarUnverified床垫厚度并非越厚越好：弹簧床垫20-25cm即可满足支撑，纯泡棉/乳胶床垫≥15cm才有足够承托；厚度＜10cm的多为薄垫或折叠垫，不适合长期主床使用83% similar
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