[KongchangAI]
Unverified84% confidenceDecision RuleTime unknown

背负重量超过5kg时应优先看是否有腰封(hip belt)和透气背板,腰封能将约60%重量转移到胯部,是长时间背负舒适度的关键,而非仅看肩带宽度

1
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84%
Confidence
Long-term
Relevance
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