The axial load and centralizer spacing from the bottom to the top are calculated by using the mechanical analysis method and the well trajectory data.

采用力学分析的方法，结合井眼轨迹数据，由下到上逐跨计算了抽油杆柱的扶正器间距和轴向力。

youdao

The work principle and maintenance method of bottom gas-feeding brick in top-bottom duplicate blown converter are stated, it is proposed how to make the bricks synchronized with furnace life.

论述了顶底复吹转炉底部供气砖工作原理、维护方法，提出了如何操作才能使底部供气砖与炉龄同步的理论与具体措施。

youdao

The axial load and centralizer spacing from the bottom to the top are calculated by using the mechanical analysis method and the log data.

采用力学分析的方法，结合测井资料，由下到上计算了抽油杆柱的扶正器间距和轴向力。

youdao

Using a bottom-up approach to his research, as opposed to Mr McCullough's top-down method of looking at the project through a geopolitical prism, Mr Parker has written the Panama story for a new generation.

ECONOMIST: The Panama Canal