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。
Staging: Process of covering bare metal, to protect lines or dots from being etched, in making of photoengraving and gravure cylinder.
雕刻凹版制造凹版的一种方法。用锐利工具把线条刻在版上而不用酸作腐蚀。因此，印纹全由线条组成。
Drypoint engraving Method of preparing a gravure printing plate by incising lines with a cutting tool instead of with acid. Prints consist of lines only.
总之，仿大理石线条的质量要求光洁度高，石质细密、色泽美观、棱角整齐、表面不得有隐伤、风化、腐蚀等缺陷。
In short, the quality requirements of lines of imitation marble finish, fine stone, beautiful color, edge neat, the surface may not have hidden injury, weathering and corrosion.
雕刻凹版：制造凹版的一种方法。用锐利工具把线条刻在版上而不用酸作腐蚀。
Drypoint engraving: Method of preparing a gravure printing plate by incising lines with a cutting tool instead of with acid.
雕刻凹版：制造凹版的一种方法。用锐利工具把线条刻在版上而不用酸作腐蚀。
Drypoint engraving: Method of preparing a gravure printing plate by incising lines with a cutting tool instead of with acid.
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