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cobalt-cemented tungsten carbide
archit. 结碳化钛硬质合金; 钻钛金属陶瓷
met. 钴结碳化钨硬质合金; 钴钨硬质合金
cobalt cemented tungsten carbide
archit. 钻钨硬质合金; 钻钨金属陶瓷
tech. 钴钨硬质合金