• As train wheels, bike rims, bearing ring, piping flange tray and piping link piece etc, ring with outer stepped is applied widely.

    台阶截面轧制作为火车自行车轴承环、管道法兰盘、管道联接部件主要生产方式,应用广

    youdao

  • As train wheels, bike rims, bearing ring, piping flange tray and piping link piece etc, ring with outer stepped is applied widely.

    台阶截面轧制作为火车自行车轴承环、管道法兰盘、管道联接部件主要生产方式,应用广

    youdao

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