[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

车身净重应控制在孩子体重的40%以内,理想值低于30%。12-14寸尽量选5-7kg以内的铝合金车架,过重(8kg以上钢架)孩子扶不起摔倒的车,易失去信心且难以控制

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