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单词 pantograph
释义 pantograph
 —pantographer /pan tog"reuh feuhr/,  n.   —pantographic /pan'teuh graf"ik/, pantographical,  adj.   —pantographically,  adv.   —pantography,  n.  
 /pan"teuh graf', -grahf'/,  n.  
  1. Also, pantagraph. an instrument for the mechanical copying of plans, diagrams, etc., on any desired scale.
  2.  Elect.   a device usually consisting of two parallel, hinged, double-diamond frames, for transferring current from an overhead wire to a vehicle, as a trolley car or electric locomotive.
 [1715-25; PANTO- + -GRAPH]
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更新时间:2024/11/11 10:16:22