| 单词 | screw lever |
| 释义 | > as lemmasscrew lever screw lever n. ΚΠ 1768 St. James's Chron. 21 July (advt.) By Alexander Brodie..a Manufactory for his new-invented Screw-Lever for Bedsteads. 1801 Encycl. Brit. Suppl. II. 796/2 at Weaving The rollers..are cylinders, pressed together by a screw lever. 2012 A. F. Parks William Parks ii. 10 The majority of the English presses evidently did not include the updates..that improved the screw lever. < as lemmas |
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