[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

铁质磁扣文具盒静音差、易生锈变形且掉落砸伤风险高,多数学校倾向禁止;软硅胶/EVA布袋笔袋更轻、静音、防摔,是课堂环境更友好的选择

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