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permanent magnets
hard magnetic materials
Sintered NdFeB permanent magnetic material has outstanding magnetic properties.
This paper introduced the process technology of resinoid diamond grinding wheel for grinding rare earth permanent magnet materials.

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Open the tool →永磁材料 (yǒng cí cái liào) means “permanent magnet materials, permanent magnets, hard magnetic materials”.
永磁材料 is pronounced yǒng cí cái liào in Mandarin Chinese.
“permanent magnet materials” is 永磁材料 (yǒng cí cái liào) in Chinese.
This page has 2 example sentences using 永磁材料, each with pinyin and an English translation.