从而提出了应用应变模态折线图来估计梁结构上裂纹位置的方法。
So the strain modal broken line drawing method is presented for determning the location of the crack on a structure.
有些船舶在不同的船龄阶段，在船体结构上出现疲劳裂纹，特别是在船底、舷侧纵骨中较为突出。
Endurance cracks may appear in the hull structure at different ship-ages for some ships, especially at the vessel bottom and the longitudinal bone on board side.
在深入分析冷裂纹插销试验机的原理和结构的基础上，本文进行了插销式再热裂纹试验装置的研究工作。
On the basis of the principles and structures of the cold cracking implant testing machine, the study on the implant equipment of reheat cracking test is reviewed in this paper.
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