Label printing is frequently performed on a narrow-web, eight-colour multi-process printing machine that allows for the combination of flexo, screen, offset and letterpress printing.

标签印刷通常在窄幅、八色的多工序印刷机上进行，这种机器兼容柔版、网版、柯式和凸版等多种印刷方法。

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Indirect printing Process where the printing surface is not in direct contact with the paper, e. G. Offset printing, pad printing, etc.

间接印刷印版并不直接与纸张接触的印刷方法。例如柯式印刷、移印等。

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This paper analyzed the effect of pressure, water flow, and time factors in ink grinding process on the grinding quality of ink, and then analyzed the influence to the offset printing density.

从油墨研磨的角度出发，分析油墨研磨过程中压力、水流量、时间因素对研磨出来的油墨质量的影响，进而分析其对胶印印刷品密度的影响。

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