Unverified84% confidenceDecision RuleTime unknown
背带需为双肩交叉或H型设计而非单肩斜挎，前抱重量在3kg以上时单肩款会造成明显肩颈失衡，双肩款分散受力更适合久背
1
Sources
84%
Confidence
Long-term
Relevance
-
First Seen
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