| 释义 |
Related topics: Motor vehiclesˈpiston ring noun [countable] TTCa circular metal spring used to stop gas or liquid escaping from between a piston and the tube that it moves in 活塞环Examples from the Corpuspiston ring• Pardue's aircraft had metal on the oil filter screens as well as part of a piston ring.ˈpiston ring nounChineseSyllable Corpus stop spring to metal circular a used |