A part of a mechanism consisting of a cylinder, rod, or pin with a helical ridge or groove and which… Mechanics. Such a device considered as one of…
| 单词 | θ214221 |
| 释义 | society > occupation and work > equipment > machine > parts of machines > parts which provide power > [noun] > mechanical powers > one of (5) screw1570 A part of a mechanism consisting of a cylinder, rod, or pin with a helical ridge or groove and which… Mechanics. Such a device considered as one of… lever1648 Mechanics. Adopted as the name for that type of ‘simple machine’ which is exemplified in the ‘lever’ (sense 1). It consists of a rigid structure of… wedge1648 A piece of wood, metal, or other hard material, thick at one end and tapering to a thin edge at the other; chiefly used as a tool operated by… peritrochium1704 A wheel, as part of the mechanical power called the wheel and axle. Cf. axis in peritrochio at axis, n.1 1a. wheel and axle (also axis)1773 A circular frame of wood, metal, or other hard substance (sometimes in the form of a solid disc, but… wheel and axle (also †axis), as one of the… |
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