... 定向下钻orientation while going in hole 磁力定向法magnetic orientation method 斜口管鞋定向法mule-shoe orientation method ...
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In this paper, the method of dividing circle rotating magnetic field into polygonal step magnetic field and the step orientation characteristic of space rotating vectors are researched.
本文研究了由圆形旋转磁场离散为多边形步进磁场的离散方法和空间旋转矢量的步进定位特性。
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