gravure etchant凹版: intaglio; gravure凹版腐蚀法: deep etch process; deep-etch process; gravure etching process凹版腐蚀法之一: sugar-aquatint凹版腐蚀制版法: aquatint照相凹版腐蚀法: photoaquatint下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:凹版腐蚀剂,即可在微信中查询翻译