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湖北省黄冈机械厂试制的JZC350混凝土搅拌机于1989年4月通过建设部生产鉴定。湖北省黄冈机械厂试制的双锥反转出料混凝土搅拌机,经过黄冈县第二建筑工程公司使用和长沙建筑机械研究所测试,各项指标均达到设计要求。建设部组织中国建设机械总公司、北京建筑机械综合研究所、长沙建筑机械研究所、山东建工学院以及吉林、浙江、福建建筑机械厂的专家对该机进行技术测试和生产鉴定,评价是:整机各项技术性能达到技术要求,主要技术参数达到设计标
The JZC350 concrete mixer manufactured by Huanggang Machinery Factory in Hubei Province passed the production appraisal of the Ministry of Construction in April 1989. The double-cone inverting concrete mixer produced by Huanggang Machinery Factory in Hubei Province was tested by the Second Construction Engineering Company of Huanggang County and Changsha Construction Machinery Research Institute, and all indicators met the design requirements. The Ministry of Construction organized experts from China Construction Machinery Corporation, Beijing Institute of Construction Machinery, Changsha Institute of Construction Machinery, Shandong Institute of Architecture and Technology, and Jilin, Zhejiang, and Fujian Construction Machinery Factory to conduct technical tests and production appraisals on the aircraft. The evaluations were: The technical performance of the complete machine meets the technical requirements, and the main technical parameters reach the design target