| 单词 | spur-nut |
| 释义 | > as lemmasspur-nut spur-nut n. Mechanics a small spur-wheel. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > cog or gear > small pinion1659 spur-nut1803 1803 Imison's Elements Sci. & Art (new ed.) I. 94 In common spur-nuts, divide the pitch-line..into twice as many equal parts as you intend teeth. 1825 ‘J. Nicholson’ Operative Mechanic 131 The four spur-nuts..at the end of the spindle..roll round the spur-wheel. < as lemmas |
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