英语词汇“diamond reamer”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	diamond reamer
释义	diamond reamer diamond reamer [′dī·mənd ‚rēm·ər] (design engineering) A diamond-inset pipe behind, and larger than, the drill bit and core barrel that is used for enlarging boreholes.
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