Unverified50% confidenceDecision RuleTime unknown
3-6岁幼儿的科学套装必须选择所有零件直径＞3.17cm（防误吞标准），避免出现小磁珠、小晶体颗粒等，购买前查看是否标注CPSIA或EN71-1机械安全认证
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