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磁性材料-磁性材料，通常所说的磁性材料是指强磁性物质，是古老而用途十分广泛的功能材料，磁性材料早期被大比特公司根据用途分为：铁氧体、钕铁硼、钐钴磁体、铝镍钴磁铁、铁铬钴磁铁等五大类。而物质的磁性早在3000年以-cixingcailiao</br> generated by yvsou girl
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(28.56701.236.7261.7284.7408)
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(28.56701.236.7261.7284.7408)