This paper mainly study the influence of wave alternating load on the strength of cutter suction dredger spud.
本文主要研究波浪交变载荷对挖泥船定位桩疲劳强度的影响。
Hot strip working roller endure the major alternating load on line, if control unsuitable easy to cause accident occurrence.
热轧带钢工作辊在轧制生产中，承受较大的交变载荷作用，在轧制生产中如果控制不当，极易出现轧制事故。
The crack appears at the edge angle due to stress concentration caused by alternating load, which finally leads to the fissuring of die plate.
凹模在使用过程中，由于交变载荷的作用，使碳化物的棱角处应力集中出现裂纹，最终导致凹模开裂。
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