Unverified85% confidenceDecision RuleTime unknown
承重上限需预留20%冗余：宠物实际体重5kg应选标称承重≥6kg的背带，避免长时间佩戴导致缝线开裂或织带疲劳变形
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85%
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Long-term
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Unverified载重承重值需匹配宠物体重并留余量，标称承重应≥宠物体重1.5倍，尤其提手/背带处缝线需加固，防止提拿时开裂坠落90% similarUnverified承重上限应预留20%冗余：标称承重需≥宠物实际体重×1.2，同时确认底板为硬质支撑（PP板或EVA），软底包超过5kg宠物会导致底部塌陷压迫四肢89% similarUnverified承重上限应预留20%冗余：标称5kg的胸前包实际建议装载不超过4kg的宠物，长时间背负下缝线和肩带承受动态受力会远超静态标称值89% similarUnverified承重上限需预留20%余量：宠物实重+箱体自重(通常3-5kg)不应超过标称承重的80%，否则拉杆和轮轴长期使用易变形松脱89% similarUnverified承重上限需预留20%余量：实际宠物体重×1.2 才是应选载重规格，避免车架长期满载变形（如养10kg犬应选载重≥12kg车型）89% similar
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