| 单词 | θ61061 |
| 释义 | the world > physical sensation > cleanness and dirtiness > cleaning > grit-, sand-, or shot-blasting > [noun] (5) sand-blasting1904 shot-blast1923 A high-speed stream of steel particles directed at a surface to clean and roughen it. shot-blasting1934 the use of a shot-blast. grit-blasting1936 the use of a stream of abrasive particles directed at a surface to clean it and roughen it. Subcategories:— one who (1) |
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