线条锌版活版印刷用的线条或粗网半色调凸版。参阅锌电版。

Zinco a line or coarse screen half-tone block etched on zinc for letterpress printing. see zinc engraving.

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用不着墨的电版或模在印有印纹的纸品上压成凸纹效果的方法。

The process of raising a printed image using an un-inked block or die on paper or board.

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字高：活字的高度或电版装嵌于木或金属版垫后，可以压印的高度。

Type high: The height of type or engravings when mounted on wood or metal in order to make an impression.

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