| 单词 | idle pulley |
| 释义 | idle pulley (once / 2363863 pages) n WORD FAMILY idle pulley: idle pulleys USAGE EXAMPLESThis serves to drive a belt which, passing over a series of idle pulleys, as will be seen by reference to Figs. Rose, Joshua, Modern Machine-Shop Practice, Volum...(2012) n a pulley on a shaft that presses against a guide belt to guide or tighten it Syn|Hyper idle wheel, idler pulley 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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