“钻孔顶角”的概念、定义、翻译、参考文献-科学参考

单词	钻孔顶角
释义	钻孔顶角 Encyclopedia 理学钻探理论释 angle of gradient of the hole钻孔顶角钻孔轴线上某测点的切线矢量与铅垂线间的夹角。是表征钻孔倾斜程度的几何参数。简称顶角，石油钻井上又称井斜角。
随便看	left-right axis left right correlation left-right correlation left/right hand spinors (left,right) ideal of an algebra left (right) parametrix left-right points combination，left-right points association left (right) serial ring left ring left R module left R-module left rotation left satellite left screw left secondary element left secondary radical left self-injective ring left semi-chain ring left semicontinuous left semi Fredholm operator left semi-Fredholm operator left semihereditary ring left semilinear mapping left serial ring left shunt

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