“polycrystalline diamond compact bit”的概念、定义、翻译、参考文献-科学参考

单词	polycrystalline diamond compact bit
释义	polycrystalline diamond compact bit Encyclopedia 工学钻井装备释 polycrystalline diamond compact bitPDC钻头以聚晶金刚石复合片为碎岩元件的钻头。理学孔内钻具释 polycrystalline diamond compact bit金刚石复合片钻头上部镶嵌有金刚石复合片的钻头。
随便看	Gregory I Gregory Ivan Child Gregory Louganis Gregory-Newton formula Gregory Newton problem Gregory-Newton problem Gregory number Gregory of Nyssa Gregory Peck Gregory series Gregory the Great GregoryⅠ Gregory Ⅶ Greibach normal form greing Greip greisen Greisen-Zatsepin-Kuzmin limit Grelling Grelling-Nelson paradox Grelling paradox Grenada Grenada Island Grenada National Museum Grenada National Party

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