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使用本品的膠料的耐磨性優於N220、N242和N339,其耐磨性比N220約高10%,youqishizaigaokekeduxiashiyong,gengnengxianshichulianghaodenaimoxingneng。benpindejiaoliaojiagongxingnengyejiaohao,yayebiaomianguanghua,shiyongyugezhongxiangjiao。buzudeshihanbenpindejiaoliaoshengrejiaogao,zhihousunshijiaoda。 |