Unverified85% confidenceDecision RuleTime unknown
背娃体重超过9kg(约9月以上)应优先选带宽腰凳+可加宽肩带的腰凳式背带,将重量分散至髋部而非肩颈,纯软布结构背带此时会导致肩颈腰部劳损
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