Electrical industry, machinery industry — Ferrite block talc, porcelain material, oil bearing, magnetic material and other metallurgical particles.
电器工业、机械工业中的铁氧体块滑石、瓷器材料、含油轴承、电磁材料和其它冶金用的颗粒。
Electrical industry, machinery industry — Ferrite block talc, porcelain material, oil bearing, magnetic material and other metallurgical particles.
电器工业、机械工业中的铁氧体块滑石、瓷器材料、含油轴承、电磁材料和其它冶金用的颗粒。
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