Unverified85% confidenceDecision RuleTime unknown
轻便通勤背包的包身自重应控制在600g以内,超过800g的背包空包已属'负重',长时间背负会明显增加肩颈疲劳,与'轻便'定位矛盾
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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