Used as the name of various implements of spiral form. (Supposed to resemble the sinuous shape and… A spiral channel cut in a hollow cylinder to…
| 单词 | θ213118 |
| 释义 | society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > screw > thread > types of thread (6) worm1725 Used as the name of various implements of spiral form. (Supposed to resemble the sinuous shape and… A spiral channel cut in a hollow cylinder to… drunkenness1786 Unsteadiness of the thread of a screw. square thread1838 a screw thread which in cross-section is castellated in form, with the width and height of the thread equal to the width of the valley between… V-threada1877 a screw thread which is V-shaped in profile. buttress thread1882 a screw thread in which one face of the thread is set (approximately) at right angles to the bolt or shaft. knuckle-thread1887 a rounded thread in a screw. |
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