| 单词 | grit-blasting |
| 释义 | > as lemmasgrit-blasting grit-blasting n. the use of a stream of abrasive particles directed at a surface to clean it and roughen it. ΘΚΠ the world > physical sensation > cleanness and dirtiness > cleaning > grit-, sand-, or shot-blasting > [noun] sand-blasting1904 shot-blast1923 shot-blasting1934 grit-blasting1936 1936 Metals Handbk. (Amer. Soc. Metals) 841 (heading) Cleaning metals by blast cleaning process (also known as sand blasting, grit, and shot blasting). 1947 Mettallurgia Apr. 279/2 Such a cleaning process as grit blasting lowers the corrosion resistance of the alloys. 1963 Times 22 Apr. p. v/1 To make sure the zinc sticks the steel must be roughened by gritblasting immediately beforehand. < as lemmas |
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