| 单词 | cycloidal gear teeth | 
| 释义 | cycloidal gear teeth [sī`klȯid·ǝl `gir ´tēth]  DESIGN ENGINEERING Gear teeth whose profile is formed by the trace of a point on a circle rolling without slippage on the outside or inside of the pitch circle of a gear; now used only for clockwork and timer gears.  | 
	
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