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powder metallurgy friction materials
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粉末冶金摩擦材料
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powder metallurgy friction materials
粉末冶金摩擦材料
采用粉末冶金方法制成的、具有高摩擦系数和高耐磨性能的金属和非金属复合材料。又称烧结金属摩擦材料。
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