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单词 sprocket
释义 sprocket
 /sprok"it/,  n.  
  1.  Mach.  
   a. Also called chainwheel, sprocket wheel. a toothed wheel engaging with a conveyor or power chain.
   b. one tooth of such a wheel.
  2.  Carpentry.   a wedge-shaped piece of wood extending a sloping roof over the eaves with a flatter pitch.
 [1530-40; orig. uncert.]
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更新时间:2024/11/10 16:53:41