“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	descendant field descendants Descendants of the Five Gallants Descendants of the Sun descendant state descendent descend flight test descending descending approach descending branch descending central series descending chain descending chain condition descending chain condition for left ideals descending colon descending development method descending difference descending factorial descending ideal series descending induction descending inhibition descending node descending normal series descending order descending order of powers

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