“etchant”的英英意思

单词 etchant 释义 etchant|tnt|[f. etch v.2 + -ant1.]A corrosive agent used for etching. Also attrib.1930Engineering 26 Sept. 388/2 Dr Voce had used the term ‘etchant’ in his paper, instead of writing the words ‘etched by’, and he would like to protes...