| 单词 | polishing disk |
| 释义 | > as lemmaspolishing disk polishing disk n. ΚΠ 1854 De Bow's Rev. Dec. 638 The polishing disc revolves at the rate of 180 revolutions per minute. c1904 Encycl. Dict. Suppl. Polishing discs, a small instrument carrying a fine powder and revolved by being placed in a drill-stock, to polish the surfaces of dentures, teeth or fillings. 2003 Times (Nexis) 29 Mar. (Weekend section) 9 The circular-saw slices masonry and quickly cuts tiles to size. Then there are grinding and polishing discs. < as lemmas |
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