Unverified90% confidenceDecision RuleTime unknown
防误吞的核心判据是网眼直径＜3.17cm（对应3岁以下儿童小零件测试圆筒直径），选购玩具防误吞网时网眼孔径应≤3cm，能有效拦截直径小于此的零件类玩具
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