“eccentric reaming bit”的概念、定义、翻译、参考文献-科学参考

单词	eccentric reaming bit
释义	eccentric reaming bit 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	algorithmic information theory algorithmic insolubility algorithmic language algorithmic logic algorithmic number theory algorithmic operator algorithmic problem algorithmic randomness theory algorithmic recognition algorithmic reducibility algorithmics algorithmic set theory algorithmic solvability algorithmic theory algorithmic theory of sets algorithmic trading platform algorithmic undecidability algorithmic unsolvability algorithm implementation algorithmization algorithm library algorithm lower bound analysis algorithm of absorbing Markov chain algorithm of bootstrap resampling algorithm of division

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