| 单词 | acid etching |
| 释义 | > as lemmasacid etching acid etching n. ΚΠ 1873 U.S. Patent 135,610 2/1 A border or pattern..is rapidly engraved upon the wax coating of the glass or other object, which is then ready for the acid-etching process. 1977 Amer. Jrnl. Orthodontics 72 671 Acid etching of human enamel creates microporosities up to 50 microns in depth. 2002 G. McLaren Studio Glass 28 Acid etching..relies on careful masking of the glass surface and accurate timing of the period of acid immersion. < as lemmas |
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