| 单词 | spiral gearing |
| 释义 | > as lemmasspiral gearing spiral gearing n. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > wheel > [adjective] > types of cogs or gears sun-and-planet1796 spiral gearinga1877 chainless1897 planetary1904 epicyclic1906 hypoid1926 positraction1957 a1877 E. H. Knight Pract. Dict. Mech. III. 2275/1 Spiral gearing, a gear-wheel having meshing spiral ribs and grooves. The teeth run around the periphery of the gear-wheel, and meet in an angle on a line midway from either edge of the wheel. 1930 Engineering 2 May 559/2 Spiral gearing has been found to have many valuable applications. < as lemmas |
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