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1·The total fatigue life for welded structure is the sum.

二者寿命之和为焊接结构的总疲劳寿命。

2·Welded structure is simple, convenient, long life and so on.

焊接结构简单，调节方便，使用寿命长等特点。

3·No. 18 steel welded structure, inner insulation space 11/2';

18号钢全焊接结构，内为11/2''的绝缘空间；

4·All steel welded structure, with sufficient strength and rigidity.

全钢焊接结构，具有足够的强度与刚性。

5·So, it is the new method of researching welded structure fatigue damage process.

因此，它是一种研究焊接结构疲劳损伤过程的新途径。

6·Head cover is of a welded structure of the Q235 steel plate with sufficient strength.

顶盖为Q 235钢板焊接结构，具有足够的刚强度。

7·Optimization design method of welded structure was put forward with welded joint fatigue damage as constraints.

提出考虑焊接接头疲劳损伤约束的焊接结构抗疲劳优化设计方法。

8·The fatigue resistance of complicated welded structure subjected to moving vehicle loads needs to be further researched.

在车辆移动荷载作用下，这种复杂焊接结构的疲劳可靠性有待于进一步研究。

9·An experimental technology of virtual fatigue was put forward directed against the fatigue problems of welded structure.

针对焊接结构的疲劳问题，提出虚拟疲劳试验技术。

10·In this paper, the hot spot stress evaluation method is studied for evaluating the fatigue strength of welded structure.

本文研究了焊接结构疲劳强度的热点应力评估方法。