[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

儿童筷长度按年龄选:2-3岁约13-15cm,4-6岁约16-18cm,7岁以上约18-20cm。判断标准是筷子长度约等于孩子手掌长度的1.5倍,过长会导致夹取时手部难以控制平衡

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