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我国自行设计的第一条悬挂式曲轴热处理生产线研制成功由机械工业部第五设计研究院开发研制的“悬挂式曲轴热处理生产线”经一段时间的生产运行，日前在南京通过部级技术鉴定。１９９４年初，第五设计研究院针对我国汽车工业的发展，提出“悬挂式曲轴热处理生产线的研制”...
Our own design of the first suspended crankshaft heat treatment production line successfully developed by the Fifth Design Institute of the Ministry of Machinery Industry developed “suspension crankshaft heat treatment production line” after a period of production and operation, recently passed the ministerial level in Nanjing technical appraisal. In early 1994, the Fifth Design Institute for the development of China’s automobile industry, put forward “suspension crankshaft heat treatment production line of” ...