铸铁断口形貌主要受其内部结晶组织和加载方式的影响。
The fracture morphology of cast iron is influenced mainly by its internal crystal structure and loading mode.
运用扫描电镜（SEM）和偏光显微镜对共混物的冲击断口形貌以及结晶情况进行了观察与分析；
The morphology and the crystallinity of the blends were studied with SEM and polarizing microscope respectively.
运用扫描电镜（SEM）和偏光显微镜对共混物的冲击断口形貌以及结晶情况进行了观察与分析；
The morphology and the crystallinity of the blends were studied with SEM and polarizing microscope respectively.
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