英语词汇piston ring的意思、用法及释义-英汉双解词典

单词	piston ring
释义	piston ring split metal ring that fits into a groove on the rim of a piston to make a gas-tight seal 活塞环.
随便看	twin set twin town twirl twist twister twisty twit twitch twitchily twitchiness twitchy twitter twittery two two- two-a-penny two-bit two bits two-dimensional two-edged two-faced twofold two-handed twopence two pence

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