“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。
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