[KongchangAI]
Unverified92% confidenceDecision RuleTime unknown

3岁以下幼儿的情绪拼图必须选用木质或加厚纸板(厚度≥2mm)材质,且拼块最小边长≥3.5cm(超过幼儿口腔直径),避免误吞窒息风险,薄纸质拼块易被撕咬吞食

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92%
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Long-term
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