本发明涉及印刷机械技术领域，特指一种凹版打样机。

The present invention relates to printing machine, and is especially a kind of intaglio proofing press.

youdao

本发明涉及印刷机械技术领域，特指一种凹版打样机。

The present invention relates to printing machine, and is especially a kind of intaglio proofing press.

youdao