Jisho

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Noun
1. piston ring
Wikipedia definition
2. Piston ringA piston ring is a split ring that fits into a groove on the outer diameter of a piston in a reciprocating engine such as an internal combustion engine or steam engine. The three main functions of piston rings in reciprocating engines are : Sealing the combustion/expansion chamber. Supporting heat transfer from the piston to the cylinder wall. Regulating engine oil consumption. http://www. federalmogul. com/korihandbook/en/section_6.
Read “Piston ring” on English Wikipedia
Read “ピストンリング” on Japanese Wikipedia
Read “Piston ring” on DBpedia
Other forms
ピストン・リング

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