英语词汇“piston ring”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	piston ring
释义	piston ring noun A ring on a piston sealing the gap between the piston and the cylinder wall.Random leak testing is also recommended because any cylinder leakage indicates a bent valve or a faulty piston ring.... The downside is that tiny amounts of oil can force their way up past the piston ring into the combustion chamber. Something was broken and Bill and I suspected he'd blown a piston ring.
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