| 词汇 | pulley |
| 释义 | pulley noun[ C ] uk /ˈpʊl.i/ us /ˈpʊl.i/ a piece of equipment for moving heavy objects up or down, consisting of a small wheel over which a rope or chain attached to the object can be easily raised or lowered: （用于搬运重物的）滑车，滑轮 The blocks of stone had to be lifted into position with a system of pulleys.这些石块得用滑轮组牵引到位。 RicardoToledo/iStock/Getty Images Plus/GettyImages Tools -pronged adjustable spanner adze Allen key auger awl gavel gimlet gouge grapnel grappling iron grindstone pincer plunger power saw prong rasp razor knife reamer trowel You can also find related words, phrases, and synonyms in the topics: Machines - general words pulley | American Dictionarypulley noun[ C ] us/ˈpʊl·i/ a piece of equipment for moving heavy objects up or down, consisting of a small wheel over which a rope or chain attached to the object can be easily pulled or released slowly Examples of pulleypulley Two continuous, stainless-steel drive wires, running in a system of grooved, free-running pulleys, supported a heavy wire frame, on which the sphere was mounted. The two platforms are connected by six wires, whose tension is maintained by pulleys and spiral springs that are fixed on the base. The operation dealt with in this paper is to assemble a rubber belt with fixed pulleys. The impeller is driven by an axis which is in turn driven by the engine via the pulley. Moreover, the generated movement tends to be specific to each problem and may be difficult to be reused for the different configuration of pulleys. After that other objects were added with a pulley and the maximum weight was measured. When it is necessary to change the reduced frequency, the radius of the pulley is changed. A torsional spring, a pulley for the wire, and a potentiometer are fixed on a common shaft. The transmission of the forces is made by belts and pulleys. The motor drives the rotary actuator through a bevel gear stage and toothed pulley belt. The pulley stage as well as motor control electronics are mounted on top of the extrusion, protected by a cosmetic cover. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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