The practice shows that the comprehensive orientation method can not only satisfy orientation accuracy, but also can save money. The method is suitable to the Wells that can not be ori...
实践证明，综合定向不仅能满足定向精度，而且还能节约开支，适合于无条件进行陀螺定向的矿井。
The practice shows that the comprehensive orientation method can not only satisfy orientation accuracy, but also can save money. The method is suitable to the Wells that can not be ori...
实践证明，综合定向不仅能满足定向精度，而且还能节约开支，适合于无条件进行陀螺定向的矿井。
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