丈量油管，整理好油管记录后，要用油管规通油管。
The tubings are measured and drifted by the tubing gauge after the tubing measurement is recorded.
在某些部门的某些工作条件下(如石油部门的输油管线)，不允许采用通径收缩的阀门。
In some sectors certain operating conditions (such as the petroleum sector, pipeline), not allowed to use the path contraction of the valve.
提出采用主磁通与漏磁通相结合的方法检测在用油管剩余壁厚的方法。
A measuring method combining main magnetic flux and magnetic flux leakage for approaching the residual wall thickness of the oil well tubing in-service was presented.
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