例句 /

In this paper, by means of macro-morphology inspection, chemical composition analysis, microstructure examiation, mechanical property testing and X-rays diffraction analysis, the fractured bolt and random sample bolt were analyzed.

In this paper, by means of macro-morphology inspection, chemical composition analysis, microstructure examiation, mechanical property testing and X-rays diffraction analysis, the fractured bolt and random sample bolt were analyzed.

摘要采用断口宏观形貌观察、化学成分分析、显微组织检验、力学性能则试及腐蚀产物的X射线衍射分析等手段,对断裂与部分抽检的卡瓦螺栓进行了综合试验分析。