| 单词 | pad-screw |
| 释义 | > as lemmaspad-screw ΚΠ 1848 Sci. Amer. 5 Feb. 156/2 An improvement in the arrangement of cold chisels for cutting off the shanks of pad hooks, terrets and screws. 1869 Rep. Special Commissioner Revenue App. L. 166 (table) Comparative table of import duties... Pad screws—[United States] 35 per cent—[Great Britain] Free. < as lemmas |
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