“rotary drilling”的概念、定义、翻译、参考文献-科学参考

单词	rotary drilling
释义	rotary drilling [`rōd·ǝ·rē `dril·iŋ] ^{MECHANICAL ENGINEERING} The act or process of drilling a borehole by means of a rotary-drill machine, such as in drilling an oil well.
随便看	rps RPV RQ RR Lyrae stars r-RNA rs RS-232 RSA algorithm R scan RS Canum Venaticorum stars R scope r selection R star R tectonite RTF RTG r-theta navigation RTL RTTY Ru rubber rubber accelerator rubber adhesive rubber banding rubber-base paint

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