英语词汇“permanent magnet”是什么意思，“permanent magnet”的读音、用法及例句翻译-烛光网

词汇	permanent magnet
释义	permanent magnetn.（名词） A piece of magnetic material that retains its magnetism after it is removed from a magnetic field.永久磁铁：从磁场移开之后仍保持其磁性的一块磁性材料
随便看	surface-active surface analgesia surfaced surface-effect ship surface lift surface mail surface of revolution surface plate surfaces surface structure surface tension surface-to-air missile surface-to-surface missile surface–active surface–effect ship surface–to–air missile surfacing surfactant surfactants surf and turf surfbird surfboard surfboarder surfboarding surfboat

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