单词 | planet-gearing |
释义 | > as lemmasplanet-gearing planet-gearing n. Mechanics rare epicyclic or planetary gearing (see planetary adj. 4). ΚΠ 1890 Cent. Dict. Planet-gearing. 1924 Sheboygan (Wisconsin) Press-Telegram 8 Aug. The differential [installed on a steam wagon in 1828] had a planet gearing, which was substantially the origin of the differential used on the rear axle of an automobile today. < as lemmas |
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