• 发明一种结构简单设计科学合理气动打眼

    The machine is an aerodynamic punching machine with simple structure and scientific design.

    youdao

  • 还有一个可以儿的打眼

    There's also a hole punch to make holes in paper.

    youdao

  • 还有一个可以儿的打眼

    There's also a hole punch to make holes in paper.

    youdao

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