With the detection system and the probe set on a pipe machine car, pipe wall's thickness can be detected periodically by a method of dry couple.
检测系统及探头装配在管道机器车上，可对管壁的厚度进行定期检测。
In addition, the use of low flow rate in the dry pipe is also conducive to the stability of the hydraulic system.
此外，干管中采用低流速还有利于系统的水力工况稳定性。
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