[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

夹子夹取阻力应控制在儿童手部力量范围内:3岁以下选宽口海绵夹/大握把设计(开合仅需约500g力),3-4岁可用带弹簧的普通木夹(约1kg力),5岁以上才适合金属夹或镊子式精细夹

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