“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	extreme-ultraviolet star extreme unction Extreme Universe Space Observatory extreme value extreme-value distribution extreme value memory method extreme-value problem extreme-value theorem extreme-value theory extreme weather and climate events extreme weather disaster map extreme yang changing into yin extreme yin changing into yang extremity extremization extremophile extremozymes extremum extremum condition extremum in the large extremum of a function extremum principle extremum problem extremum property extremum test

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