• 顶头穿主要变形工具之一作用实心穿轧一定壁厚的空心毛管

    Plug is one of the key deformation tools in cross piercing. Its function is turning a solid bar into a hollow bloom.

    youdao

  • 顶头穿主要变形工具之一作用实心穿轧一定壁厚的空心毛管

    Plug is one of the key deformation tools in cross piercing. Its function is turning a solid bar into a hollow bloom.

    youdao

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