re-fe-b permanent magnet materials
稀土-铁-氮永磁材料、RE-Fe-N permanent magnet materials 稀土-铁-硼永磁材料、Re-Fe-B permanent magnet materials 稀土-铁-碳永磁材料、RE-Fe-C permanent magnet materials ..
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re-fe-b permanent magnet materials
Re-fe-b永磁材料
以上为机器翻译结果，长、整句建议使用 人工翻译 。