[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

宝宝体重超过7kg或每日背负时间>30分钟,应选择带有加厚腰凳(硬质结构支撑腰凳款)的背带,将重量分散到胯部而非肩部,可降低背负者腰椎负担约40%

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