“rotary drilling rig”的概念、定义、翻译、参考文献-科学参考

单词	rotary drilling rig
释义	rotary drilling rig Encyclopedia 工学探矿机械释 rotary drilling rig回转钻机靠回转器或孔底动力机具转动钻头破碎孔底岩石的钻机。工学桩工机械释 rotary drilling rig旋挖钻孔机用于取土钻孔灌注桩施工的成孔机械。
随便看	simple characteristic point simple characteristic surface simple circuit simple classical submatrix simple classification simple close curve simple closed curve simple coalgebra simple code simple collision theory simple colon simple columnar epithelium simple completeness simple complex simple component simple compressible system simple compression simple computation simple connectedness simple connected region simple consistency simple constructive dilemma simple continued fraction simple convergence simple convergence topology

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