Through the analysis of test results and stress fields, the change of metal materials' ductile fracture mode with different stress condition parameters are discussed.
通过试验结果与应力场分析，讨论了不同应力状态参数下，金属材料韧性断裂形式的变化规律。
Because of the change and difference of external condition, practical operating mode of pumping station always deviates from the design's more or less.
由于外界条件的变化与差异，泵站的实际运行工况总是或多或少地偏离设计最佳工况。
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