Information transmission between ground and down hole is the of key the closed-loop control system of wellbore trajectory.

地面与井下的信息传输是井眼轨道自动闭环控制的核心。

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Information transmission between ground and down hole is the of key the closed-loop control system of wellbore trajectory.

地面与井下的信息传输是井眼轨道自动闭环控制的核心。

youdao