| 单词 | idler pulley |
| 释义 | idler pulley (once / 5909656 pages) n WORD FAMILY idler pulley USAGE EXAMPLESThe boring spindle is driven by an idler pulley, direct from the countershaft. Rose, Joshua, Modern Machine-Shop Practice, Volum...(2012) An idler pulley was used to tighten the belt. Burns, Elmer Ellsworth, The Story of Great Inventions(2011) The lever which threw the former friction gear into adjustment was made to operate an idler pulley for tightening the axle-belt. Dyer, Frank Lewis, Edison, His Life and Inventions(2010) n a pulley on a shaft that presses against a guide belt to guide or tighten it Syn|Hyper idle pulley, idle wheel block, pulley, pulley block, pulley-block a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope |
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