(a) a metal plate that is held in place by screws; (b) a hardened steel plate with threaded holes, used for making screws.
| 单词 | θ212353 |
| 释义 | society > occupation and work > equipment > machine tool > other specific machine tools > [noun] > machine for cutting screw-threads > other screw-cutting equipment (6) screw-plate1638 (a) a metal plate that is held in place by screws; (b) a hardened steel plate with threaded holes, used for making screws. screw stock1740 a device, esp. one with two or more internal dies (die, n.1 6a), used for cutting screws. burr1833 Technical senses of obscure origin. (See quot.) screw box1846 †(a) Surgery an apparatus of metal and leather which can be fastened around a limb and tightened with a screw or screws in order to straighten the… thread-gauge1877 a gauge for ascertaining the number of turns to the inch in, or the accuracy of, a screw-thread (Knight, 1877). pipe die1890 Mechanics. A female screw, nut, or other device for cutting a male thread into the end of a metal pipe. |
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