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2009年7月底,一台60 t树脂砂混砂机在二重铸钢车间造型大跨30 m地坑安装调试完毕并试运行,标志着二重大型铸件实现全树脂砂生产。
At the end of July 2009, a 60 t resin sand mixer was installed and commissioned at a large span of 30 m pit in the duplex steel plant, marking the realization of full resin sand production by two large castings.