这种容器的最大优点是在绕制过程中获得高预压缩应力，显著减少疲劳失效的危险性。
A tremendous advantage of these vessels is that high compressive stresses are induced during winding. This Prestressing greatly reduces the risk of fatigue failure.
承受不同循环载荷共同作用的压力容器，其概率疲劳寿命和在高应力水平上的循环载荷有着密切的关系。
The probability fatigue life - span of pressure vessel under the action of different cycle load is closely related to the cycle load with high stress.
去除焊缝余高或将焊缝设计在最大剪应力平面内可明显改善对焊接头的疲劳性能。
The fatigue resistance of the butt welds can be improved by means of removing the weld reinforcement and designing the weld in the maximum shear stress plane.
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