Unverified85% confidenceDecision RuleTime unknown
卡片纸板厚度≥2mm（约300-350gsm）才能防止2-4岁幼儿反复抓握弯折，薄卡片(＜1mm)在幼儿期3个月内易起翘卷边
1
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85%
Confidence
Long-term
Relevance
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