The axial stress distribution after cooling is changed greatly under internal pressure.

介质压力对完全冷却后的轴向应力产生较大影响.

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The bending stress varies axially while the average axial stress changes a little.

此外,弯曲应力沿轴向有所变化,而平均应力基本不变.

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Axial stress in the zone is non - uniform and in its center the stress gets maximum.

在颈缩区域内轴向拉应力分布是不均匀的,在颈缩区域中部,其值最大,而在颈缩区域边缘,其值最小.

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