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Fe-Cr-Co permanent magnetic material
释义
Fe-Cr-Co permanent magnetic material
Encyclopedia
工学
精密合金
释
Fe-Cr-Co permanent magnetic material
铁铬钴永磁合金
由金属铁(Fe)、铬(Cr)、钴(Co)和其他微量金属元素构成的一种合金。是20世纪70年代初出现的新型永磁材料。
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forestland expense value method
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Forest Law of the People's Republic of China
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更新时间:2024/11/5 20:40:42