英语词汇“活塞环”的读音、翻译、释义、用法及例句-心情故事网

词汇	活塞环
释义	活塞环【化】 piston ring
随便看	postulate postulate of equal probabilities postulation postulation formula postulator post up a ledger post up export sales postural postural albuminuria postural coordination postural drainage postural hypotension postural ischemia postural muscle postural proteinuria postural reflex postural scoliosis postural tone posturanic elements posture posture-maker posture-master posturer posture sense posture system

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