“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	theory of association-reflex theory of atomic agglomeration theory of attentional style theory of automata theory of automatic control theory of being digital theory of ben se theory of bibliographic control theory of bibliography science theory of biological deviant theory of bolt anchored steel fibre reinforced shotcrete linings Theory of Book Classification Theory of Book Collection theory of book distribution management theory of born criminal theory of boundary layer Theory of Bright Heavens theory of buildings theory of bureaucracy theory of C*-algebras Theory of Calligraphy Theory of Canopy-Heavens theory of canopy-heavens theory of capture theory of cardinals

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