单词 | pulley wheel |
释义 | > as lemmaspulley wheel pulley wheel n. a grooved wheel of a pulley. ΚΠ 1665 R. Hooke Micrographia Pref., sig. ev In a convenient place of this is fastened H a pully wheel. 1786 Trans. Amer. Philos. Soc. 2 299 To remedy this, methinks it would be well to have a kind of large pulley wheel..over which the cable might pass. 1868 Times 10 Feb. 10/3 You could not see the pulley wheels revolving as you can in England. 1982 P. Gardner & F. Foden Foxton (BNC) (rev. ed.) 10 The basic principle of the lift is that of two balancing weights positioned on an inclined plane, and suspended by a connecting rope passing over pulley wheels. < as lemmas |
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