英语词汇“smooth drilling”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	smooth drilling
释义	smooth drilling smooth drilling [′smüth′dril·iŋ] (engineering) Drilling in a rock formation in which a fast rotation of the drill stem, a fast rate of penetration, and a high recovery of core can be achieved with vibration-free rotation of the drill stem.
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