求翻译：对断裂的轴箱弹簧进行宏观断口分析、疲劳裂纹源处显微组织、基体组织、表面硬度检测以及常温及低温冲击试验是什么意思？

Fracture of the axle box spring on the macro-fracture analysis, fatigue crack source at the microstructure of the matrix organization, surface hardness and room temperature and low temperature impact test

For snapping headstock spring on macro-sedimentological analysis, fatigue cracks source, Matrix microstructure, surface hardness testing organization at room temperature and low-temperature impact test as well as

Carries on the macroscopic fracture analysis, the fatigue cracking source place microstructure, the substrate organization, the skin hardness examination as well as the normal temperature and the low temperature impact test to the break journal box spring

Macro fracture analysis of fracture of the axle box spring, micro fatigue crack source organization, matrix microstructure, hardness testing, as well as at room temperature and low temperature impact test