“rotary boring”的概念、定义、翻译、参考文献-科学参考

单词	rotary boring
释义	rotary boring [`rōd·ǝ·rē `bȯr·iŋ] ^{MECHANICAL ENGINEERING} A system of boring in which rock penetration is achieved by the rotation of the hollow cutting tool.
随便看	pessulus pesticide pestilence PET peta- petal Petalichthyida petaling petalite Petalodontidae Petaluridae petasma petechiae peter out Petersen coil Petersen grab Peters' formula petiole petitgrain oil petit mal PETN petrel petri dish petrifaction petrified wood

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