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单词 throw-crank
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throw-crank
throw-crank n. now rare a crank which converts rotary (circular) into reciprocating (back and forth) motion.
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society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > converters > cranks
winch1660
wince1688
crank1728
swingle1787
throw-crank1858
1858 J. Slight & R. S. Burn Bk. Farm Implements 381 In fig. 476, b b is the throw-crank.
1867 R. Hunt Ure's Dict. Arts (ed. 6) II. 783 A carrier, which is made to advance and recede alternately by means of a throw-crank.
1950 Amer. Jrnl. Psychol. 63 390 There the shaft was driven through a throw-crank motion by an 18-r.p.m., ¼-h.p. gear-motor.
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更新时间:2024/12/23 3:36:09