由河南郑州农车厂研制开发的郑州-２Ａ型自走式谷物联合收割机,顺利通过了省机械电子工业厅组织的科技成果鉴定。该机结合我国农业生产的特点,以收割小麦为主,兼收水稻等谷物。它是在总结了国内现有机型的优缺点,引进德国、俄罗斯等国最新技术的基础上研制成功的,在割谷、脱粒 Zhengzhou-Zhengzhou from the car factory developed Zhengzhou-2A self-propelled grain combine harvester, passed the provincial machinery and electronics industry hall of scientific and technological achievements appraisal. The machine combines the characteristics of China’s agricultural production to harvest wheat-based, both rice and other grains. It is summarized the advantages and disadvantages of the existing models in the country, the introduction of Germany, Russia and other countries based on the latest technology developed successfully in the cut, threshing