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.
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