Unverified90% confidenceDecision RuleTime unknown
磁力片内部磁铁应为钕铁硼强磁且带铆钉固定，选购时确认磁铁能360度自由旋转（滚珠磁铁结构），这样任意面拼接都能吸附，避免同极相斥拼不上的挫败感
1
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90%
Confidence
Long-term
Relevance
-
First Seen
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