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凸轮轴激光强化工艺清华大学和河北华北柴油机厂共同承担的45钢风冷柴油机凸轮轮激光强化工艺研制与应用项目。于3月及日通过了由河北省科委组织的鉴定。专家们认为，该工艺国内领先，属叨年代国际先进水平。该项目直接利用清华大学在国家“八五”攻关中完成的科研成果，把激光
Camshaft laser hardening technology Tsinghua University and Hebei North China Diesel Engine Factory shared 45 steel air-cooled diesel engine cam wheel laser enhancement technology development and application projects. In March and passed by the Hebei Provincial Science and Technology Commission identified. Experts believe that the technology is leading in the country and is an advanced international standard in the 1990s. The project directly uses the achievements made by Tsinghua University in the national “Eighth Five-Year Plan”