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这是一种单片机控制的焊缝自动跟踪装置，它由位移传感器、单片机和执行机构等部分组成，可对焊缝坡口进行二维跟踪。
This is a single-chip automatic welding seam tracking device, which consists of displacement sensors, microcontrollers and actuators and other components, the weld groove can be two-dimensional tracking.