Unverified85% confidenceDecision RuleTime unknown
若木棒实为儿童科学教具（演示导体/绝缘体实验），应选择表面无毛刺、直径≥1.5cm防误吞、长度20-30cm便于小手抓握的规格，并确认涂漆通过EN71-3重金属迁移检测
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85%
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