良好保护条件下的水下焊缝的力学性能和大气中一致。
In specific, appropriate enlarging the outside diameter of the nozzle can obtain perfect shielding condition. I…
通过分析焊接电流的变化规律得到偏差信息从而实现水下焊缝跟踪。
By analyzing the variation of welding current, offset information obtained in order to achieve underwater seam tracking.
其稳定性好，灵敏度高，空间可达性好，因而它是目前最有效的水下焊缝跟踪方法之一。
With high stability, sensitivity and spatial accessibility, the seam tracking system based on the rotating arc sensor is one of the most effective methods currently.
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