Unverified85% confidenceDecision RuleTime unknown
妈咪包自重≤0.7kg为轻量化标准，空包超过1kg时装满物品后总重易超5kg，长时间单肩背负会加重肩颈负担，建议选双肩款
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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