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由牡丹江建材机械厂改进的 JZC350A 改进型混凝士搅拌机于4月21日在哈尔滨市通过了新产品技术鉴定,这种改进型混凝土搅拌机是根据1986年牡丹江建材机械厂与长沙建筑机械研究所的科研合同,在该所提供的 JZC350型混凝土搅拌机样机的基础上改进的。JZC350A 型混凝土搅拌机做了如下重大改进:
The improved JZC350A improved condensate mixer developed by Mudanjiang Building Materials Machinery Plant passed a new product technology appraisal in Harbin on April 21. This improved concrete mixer is based on the 1986 Mudanjiang Building Materials Machinery Plant and Changsha Construction Machinery Research Institute. The research contract was improved on the basis of the prototype of the JZC350 concrete mixer provided by the institute. The JZC350A concrete mixer has made the following major improvements: