研究了超低碳钢保护渣的显微组织结构特征，并根据相图分析了熔渣的结晶性能。
The characteristics of the microstructure on super low carbon steel powder has been studied, and the crystallization performance of slag analysed by phase diagram.
使用自制偏光显微镜对液晶结构进行考察，绘制伪三元相图。
The LC configuration was determined with self-made polarization microscope.
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