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1·The result shows that the cracking of the gear is fatigue cracking.

结果表明：齿轮的开裂属于疲劳断裂。

2·Fatigue cracking is one of main destruction forms of asphalt pavement.

疲劳开裂是沥青路面主要结构破坏形式之一。

3·In service, fatigue cracking initiated at the plating runout led to lug fracture.

在实际使用中，在镀层的过渡段发生的疲劳裂纹会导致接耳断裂。

4·Secondly, the paper analyzed the formation mechanism of fatigue cracking in asphalt pavement.

其次，论文分析了沥青路面疲劳开裂的形成机理。

5·The research on characteristics of pavement fatigue cracking has been a hotspot at home and abroad.

因而研究路面的疲劳开裂特性成为国内外的热点问题之一。

6·Fatigue cracking of a roller is the main failure form due to the alternate bending stress in operation.

滚圈是回转窑最重要的支承部件，运转中弯曲应力造成的疲劳开裂是其主要失效形式。

7·In frequent bending stress condition, fatigue cracking occurred due to the cracking source had been initiated in welding heat affected zone.

在承受频繁的弯曲应力作用后，在其焊接热影响区萌生了裂纹源进而发生疲劳开裂。

8·Based on the pavement mechanics models, fatigue cracking theory of fracture mechanics was used to investigate the rule of reflection cracking.

基于选定的路面力学模型，采用断裂力学中的疲劳裂缝扩展理论对路面反射裂缝的扩展规律进行分析。

9·It is suggested that intergranular fatigue cracking strongly depends on the interaction mode of PSBs with GBs, while the GB structure itself plays a much less role.

沿晶界疲劳开裂与否与驻留滑移带和晶界的交互作用方式密切相关，而与晶界结构本身无关。

10·The fracture and the surface of a hip joint fractured invivo has been studied by SEM. It is concluded that the fracture was due to corrosion fatigue cracking by bending stress.

利用SEM对实际使用时断裂的髋关节的断口和表面进行了分析，认为此关节的断裂为以弯曲应力为主的腐蚀疲劳断裂。