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。
Signal transmission is the principal part of automatic control system for wellbore trajectory.
信号传播是井眼轨道自动控制系统的重要组成部分。
Signal transmission is the principal part of automatic control system for wellbore trajectory.
信号传播是井眼轨道自动控制系统的重要组成部分。
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