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angle of gradient of the hole
释义
angle of gradient of the hole
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。
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