The traditional cast iron spheroidization technological line is long, the treating device is complicated and the spheroidization effect is poor.
传统的铸铁球化工艺路线比较长，处理设备相对比较复 杂，球化效果不好。
The traditional cast iron spheroidization technological line is long, the treating device is complicated and the spheroidization effect is poor.
传统的铸铁球化工艺路线比较长，处理设备相对比较复 杂，球化效果不好。
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