When you get closer, you see that each horizontal section is made up of two pieces that converge in a right angle.

当你走近它时，会看到每个水平部分由两个互为直角的单元组成。

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The effects of the connectors on the critical buckling load and the bending stress of pipes in horizontal section are analyzed.

分析了钻杆接头对水平井段钻柱屈曲临界力和弯曲应力的影响，提出了计算钻柱正弦屈曲临界力的新方法。

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The rock movement between the horizontal section of the top coal caving and inclined slicing of the top coal caving was analyzed.

运用相似材料模拟和数值计算的方法，对水平分段和倾斜分层放顶煤开采引起的围岩移动特征进行了比较。

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Drillers also use sensors to detect particularly promising rock intervals within the formation, and are able to move the drill string up or down, left or right as they drill through the horizontal section to target those intervals.

FORBES: Horizontal Drilling: A Technological Marvel Ignored

Each section has its own personality, but all share the same basic navigational template: horizontal lists piled atop one another.

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