n.照相雕刻術(shù)；照相制版；照相凸版

Any of various photomechanical or photoengraving methods. 照相制版術(shù)照相工藝或照相制版的方法

A special lightweight alloy used for relief etching in photoengraving. 中義一種用來凸顯照像凹版蝕刻效果的特殊合金。

It attacks most metals and is used for etching steel and photoengraving. 能與大多數(shù)金屬起作用,用于蝕刻鋼材和光刻。

Serveral of commonly used methods are photoprinting, photoengraving, mechnical engraving, and stencil. 通常所采用的幾種儲存方法是：影印法、照相蝕刻、機(jī)械雕刻和模板。

APPLICATION: Suitable for sterilization, photoengraving, water treatment, mediccal treatment and breeding. 用途：適用于殺菌、光刻、水處理、醫(yī)療、育種等領(lǐng)域。