[KongchangAI]
Unverified83% confidenceDecision RuleTime unknown

护脊背负要看背板是否有EVA/记忆棉分区支撑和S型减压肩带,负重时肩带宽度应≥4cm,脊椎发育期儿童建议选带腰封的款式将重量下移至髋部

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