• 本文介绍了自行设计封头自动磨光工作过程结构特点应用效果

    This article introduced the working process, structure characteristics and application of the head automatic finishing machine designed by myself.

    youdao

  • 本文介绍了自行设计封头自动磨光工作过程结构特点应用效果

    This article introduced the working process, structure characteristics and application of the head automatic finishing machine designed by myself.

    youdao

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