漏磁检测探头在抽油管内采用螺旋式轨迹扫查，能保证磨损缺陷不漏检。
The magnetic flux leakage probe scans in a spiral along the pipeline to minimize missed abrasion defects. Ex…
漏磁检测探头在抽油管内采用螺旋式轨迹扫查，能保证磨损缺陷不漏检。
The magnetic flux leakage probe scans in a spiral along the pipeline to minimi…
漏磁检测探头在抽油管内采用螺旋式轨迹扫查，能保证磨损缺陷不漏检。
The magnetic flux leakage probe scans in a spiral along the pipeline to minimi…
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