单词 | first motion |
释义 | > as lemmasfirst motion first motion adj. Mechanics (attributive) designating a part which first receives motion from an engine or motor and communicates it to another part; spec. designating the input shaft of a gearbox. ΚΠ 1834 Law Jrnl. Rep. 12 28/1 The shafting was connected with the first-motion shaft from the new engine. 1899 Electgr. Rev. 4 Aug. 211/1 Where toothed gearing is absolutely necessary..much depends on the satisfactory working of the first motion wheels. 1912 Motor Man. (ed. 14) v. 165 The two shafts in the gearbox are called respectively the first motion shaft and the second motion shaft. 2011 L. Porter Land Rover Series III Reborn 175/1 This is a first motion shaft removed by Adrian from a scrap gearbox. < as lemmas |
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