拉伸超载能阻滞321不锈钢的疲劳裂纹扩展速率，样品断面有明显的周期性的裂纹偏折或分叉；
The retardation of tensile overload will reduce the 321SS crack growth speed for the furcation on the fracture section.
本文将蜗壳看作沿转轮四周连续分流的分叉管系统，应用水力瞬变中的叉管理论推出一种能计及蜗壳各断面水锤效应，并使仿真计算更接近实际情况的新方法。
The present work considers the spiral case as branch-off pipe system that diverts part of the flow consecutively as it goes around the periphery of the runner.
应用推荐