英语词汇“pneumatic 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	pneumatic drilling
释义	pneumatic drilling pneumatic drilling [nu̇′mad·ik ′dril·iŋ] (mechanical engineering) Drilling a hole when using air or gas in lieu of conventional drilling fluid as the circulating medium; an adaptation of rotary drilling.
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