断口距离
Fracture distance
以上为机器翻译结果，长、整句建议使用 人工翻译 。
峰时效态3 J 21合金的拉伸断口为韧窝断口，断口附近显微组织中滑移线之间的距离大。
The tensile fracture of 3j21 alloy is a dimple fracture at peak-aged state. The distance between the slip lines is larger in the microstructure near the fracture of the alloy at under-aged state.
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