“偏心扩眼钻头”的概念、定义、翻译、参考文献-科学参考

单词	偏心扩眼钻头
释义	偏心扩眼钻头 Encyclopedia 工学钻井装备释 eccentric reaming bit偏心扩眼钻头常规阶梯钻头的扩眼部分的旋转轴线偏离钻柱旋转轴线一定距离，假想存在一个以钻柱旋转轴线为中心线直径等于的圆柱，仅保留扩眼部分在假想圆柱内的刀翼，同时领眼部分和上部钻柱也必须落在假想圆柱内的结构限制的钻头。
随便看	philosophy of life philosophy of logic Philosophy of Logical Atomism Philosophy of Logics philosophy of management philosophy of mathematics Philosophy of Mind philosophy of mind Philosophy of Mythology and revelation Philosophy of Nature philosophy of nature philosophy of ordinary language philosophy of physics philosophy of praxis philosophy of religion Philosophy of Right philosophy of science Philosophy of Vigorous Action Philostratos Flavius Philps philtrum phi meson phimosis pH indicator Phineas T.Barnum

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