Analyzing bucket teeth material and welding crack, the reason was found out.

分析斗齿材质与焊接裂纹的关系, 找出产生裂纹的原因.

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Welding crack is one of the important welding defects, which often leads to serious shipping accidents.

焊接裂纹是常见的焊接缺陷之一, 焊接裂纹的存在常常导致严重的航运事故.

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