[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

儿童自持遮阳伞整伞重量应≤300g,学龄前儿童(3-6岁)建议≤250g,超过350g单手长时间举伞易疲劳导致遮阳角度歪斜失效

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