某海底输油管道环焊缝断裂。

The girth weld of an offshore pipeline is fractured.

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失效分析结果表明，螺旋焊管焊缝断裂主要是由于管道附近泥浆化趋势、较高的堆土以及焊缝缺陷造成。

The results showed that the failure of spiral welding pipes was mainly caused by piled solid, the increase of the water in solid and th...

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材料的断裂韧性可充分满足焊缝细节疲劳抗力的发挥。

The material fracture toughness was adequate to ensure development of the full fatigue resistance of the weld detail.

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