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發布時間: 2023-1-5 14:54
正文摘要:電池圍成一圈,就能讓硬幣動起來,我物理沒學好,這是什么原理?6 m- L* J$ M" T& M : d# {+ @ K# R0 a t % s' Q* S# T, @! R$ s# r7 E ! T& A5 g* U+ ?8 L* Q2 S ... |
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