A corrosive agent used for etching. Also attributive.
| 单词 | θ216767 |
| 释义 | society > occupation and work > materials > derived or manufactured material > materials used in metallurgical processes > [noun] > substance used for testing (3) etchant1930 A corrosive agent used for etching. Also attributive. Subcategories:— types of (2) |
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