利用可编程序控制器（PLC）控制步进电机和电焊机，实现T型管道接头焊接的自动化控制。
The PLC controlled system which is used to control step-motor and electric welding machine is introduced in this paper, and automatic control of T-type channel Joints is realized.
利用可编程序控制器（PLC）控制步进电机和电焊机，实现T型管道接头焊接的自动化控制。
The PLC controlled system which is used to control step-motor and electric welding machine is introduced in this paper, and automatic control of T-type channel Joints is realized.
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