英语词汇“guide 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	guide ring
释义	guide ring guide ring [′gīd ‚riŋ] (mining engineering) A longitudinally grooved, annular ring made almost full borehole size, which is fitted to an extension coupling between the core barrel and the first drill rod.
随便看	hkjma hkjo hkjsba hkjsecs hkjsw hkjug hkk hkka hkkabo razi hkkb hkkc hkkf hkkk hkkms hkkn hkl hkla hklb hklc hkld hk/lg hklia how much are the tickets? how much computer works how much does it cost?

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