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美国Kennametal公司最近研制成功了一种新型抗磨金属材料。它是以不锈钢为基底,掺上碳化钨颗粒制成的。这种材料的抗磨性能和冲击韧性都非
US Kennametal recently developed a new type of wear-resistant metal materials. It is based on stainless steel, mixed with tungsten carbide particles made of. This material is non-abrasive and impact toughness