In senses 3 5, as snail-cam, snail-mount, snail-movement, snail-piece, snail-work.
| 单词 | θ214492 |
| 释义 | society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > converters > cams (8) snail-cam1591 In senses 3 5, as snail-cam, snail-mount, snail-movement, snail-piece, snail-work. snail-work1591 In senses 3 5, as snail-cam, snail-mount, snail-movement, snail-piece, snail-work. snail1714 Mechanics. A flat, spirally curved piece of metal; esp. a toothed disc of this shape forming part of the striking mechanism of a clock; a spiral cam. cam1777 A projecting part of a wheel or other revolving piece of machinery, adapted to impart an alternating or variable motion of any kind to another… heart wheel1786 = heart cam n. snail-wheel1831 (see quot. 1846 and sense 5). heart1834 Mechanics. Short for heart cam n. or heart wheel n. at compounds 3a Now rare. heart cam1835 a cam (cam, n.1) with a heart-shaped cross-section. |
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