The test results show the band structure distribution has great influence upon the strong toughness of welded pipe seam.
试验结果表明：带状组织的分布对焊缝强韧性影响较大。
Welding process will produce a strong arc, splash, dust interference, and this seriously affected the gain of the weld seam feature points.
焊接过程中会产生强烈的弧光、飞溅和烟尘干扰等噪声，严重影响了焊缝特征点的获取。
The system not only possesses a strong anti-interference both to arc light and to surrounding light, but suitability to seam surface condition.
该系统不仅对电弧光与周围环境光有抗干扰的功能，而且对工件的表面状态有较大适应性。
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