weld-on centralizer 焊在工作管柱上的扶正片
On the basis of the theoretical and experimental research, the preventive measures are discussed such as installing tubing anchor, rotary device of rod string and centralizer.
在理论分析和试验研究的基础上，针对井下的杆管偏磨问题，对安装油管锚定装置、旋转抽油杆装置和抽油杆扶正器这三种预防措施进行了探讨。
The adjustment of the cable channel, wireless channel, centralizer and management software has been carried on in laboratory environment, and the result shows the feasibility of the entire designing.
在实验室条件环境下，对有线部分、无线部分、集中器及管理软件进行了整体调试，实验结果证明了整体设计方案的可行性。
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