Unverified80% confidenceTradeoffTime unknown
封闭磁铁越牢固(焊接密封)安全性越高,但拼接吸附力会略弱、造型稳定性下降;追求强吸力的开放式镶嵌磁铁则有脱落风险,低龄优先选牢固封闭款
1
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80%
Confidence
Long-term
Relevance
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