| 单词 | spiral gear |
| 释义 | > as lemmasspiral gear spiral gear n. a gear wheel whose teeth are cut obliquely to the axis of the wheel and are curved to form part of what is approximately a spiral or helix; esp. a skew gear of this kind. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > cog or gear > with axles or teeth set at specific angle crown wheel1646 mitre wheel1825 mitre1844 skew gearinga1877 helical gear1888 spiral gear1888 skew gear1908 helical1913 spiral bevel gear1915 1888 Lockwood's Dict. Mech. Engin. 338 Spiral gear, includes helical, stepped, and worm gearing. 1914 J. G. Horner Gear Cutting v. 48 Since the special gear-cutting machines have come into general use, the manufacture of spiral gears has been established on a better commercial basis than hitherto. 1971 B. Scharf Engin. & its Lang. xii. 155 In some types of multiple gear train, the same gear drives a helical gear (with parallel axis) as well as a spiral gear (with skew axis). < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。