“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	Traffic distribution forecast traffic diversion traffic economic belt traffic elements representation traffic emergency command traffic emergency evacuation traffic emergency management traffic emergency rescue traffic emergency rescue facilities traffic engineering traffic engineering geology traffic equation traffic estimation Traffic ethics traffic facility management system traffic flow Traffic flow density traffic flow distribution Traffic Flow Guidance System traffic flow parameters traffic flow simulation traffic flow theory Traffic generation forecast Traffic guidance System traffic guidance system

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