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单词 tumbling gear
释义

> as lemmas

tumbling gear
tumbling gear n.
Brit. /ˈtʌmblɪŋ ɡɪə/
,
/ˈtʌmbl̩ɪŋ ɡɪə/
,
U.S. /ˈtəmb(ə)lɪŋ ˌɡɪ(ə)r/
a gear with one or more idle wheels on a swinging frame for producing reverse motion.
ΘΚΠ
society > occupation and work > equipment > machine > parts of machines > wheel > [noun] > cog or gear > which allows change of speed or direction > reverse
tumbling gear1793
reversing gear1831
reverse gear1835
reverse1882
1793 Trans. Soc. Arts (ed. 2) 5 202 The common Tumbling Geer, as used in the Fire Engine.
extracted from tumbling-comb. form
<
as lemmas
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更新时间:2024/12/24 2:29:15