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球磨机大齿轮是我厂经常生产的一种铸件,以前一直是沿用底注外增肉干型的传统工艺方法,按照这一工艺方法生产出来的铸件质
Ball mill gear is a factory often produced a cast, used to be followed by the endorsement by meat dry type of traditional techniques, in accordance with this method of production of castings quality