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1·To reproduce by photoengraving; make a photoengraving of.

通过照相凸版制版法复制；制作…照相凸版。

2·Several of commonly used methods are photoprinting, photoengraving, mechanical engraving, and stencil.

通常所采用的几种储存方法是：影印法、照相蚀刻、 机械雕刻和模板。

3·Serveral of commonly used methods are photoprinting, photoengraving , mechnical engraving , and stencil.

通常所采用的几种储存方法是：影印法、 照相蚀刻、 机械雕刻和模板。

4·A strong acid, it is toxic and can cause severe Burns. It attacks most metals and is used for etching steel and photoengraving.

硝酸是一种强酸，有毒，并能造成严重烧伤。能与大多数金属起作用，用于蚀刻钢材和光刻。

5·Staging: Process of covering bare metal, to protect lines or dots from being etched, in making of photoengraving and gravure cylinder.

防蚀处理：制电版或照相凹版时，作保护金属表面，防止网点或线条被腐蚀的工作。

6·An exceptionally clear adhesive can be made from fish and was the first adhesive used for photographic emulsions for photo film and photo resist coatings for photoengraving processes.

从鱼身上可以提取制成极其透明的粘胶，在胶片的感光乳胶和光刻蚀工艺的光阻涂层中首先被用作粘合剂。