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郑州汽车制造厂七分厂铸铁车间,于1979年设计制造一台断生铁锭和中小型废铸件的砸铁机(见图)。
Zhengzhou factory car factory cast iron plant in 1979, in 1979, the design and manufacture of a broken iron ingot and small and medium-sized scrap casting smashed iron machine (see photo).