The results of the SAW seam tracking experiments show that there are good dynamic characteristics and control accuracy in the system.
埋弧焊焊缝跟踪实验表明，该系统具有良好的动态性能和控制精度。
A new kind of the seam tracking system with non-contact ultrasonic sensor in SAW is presented in this paper.
本文提出了一种非接触超声传感埋弧焊焊缝跟踪系统。
According to the domestic pipeline construction demand to the pipe, it is proposed to import a longitudinal seam SAW steel pipe mill as early as possible.
根据国内管道建设的需要，建议尽早引进一条直缝埋弧焊管机组。
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