| 释义 | retaining ring
 retaining ringn  (General Engineering) another name for circlip
 retaining ring
 retaining ring[ri′tān·iŋ ‚riŋ]  (design engineering) A shoulder inside a reaming shell that prevents the core lifter from entering the core barrel. A steel ring between the races of a ball bearing to maintain the correct distribution of the balls in the races. |