| 单词 | internal broaching | 
| 释义 | internal broaching [in`tǝrn·ǝl `brōch·iŋ]  MECHANICAL ENGINEERING The removal of material on internal surfaces, by means of a tool with teeth of progressively increasing size moving in a straight line or other prescribed path over the surface, other than for the origination of a hole.  | 
	
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