microstructure of material造句

In this paper , the vsi is produced by powder metallurgy . various alloy elements added , porosity and microstructure of materials is considered to affact the vsi ' s property ; matching between the working and none - working layer of vsi is discussed ; and the cost reduction of two - layer vsi is analysed as well
研究了各种合金元素的添加、孔隙率和显微组织对阀座圈工作性能的影响；讨论了双层阀座圈工作层与非工作层之间的匹配；分析了双层阀座圈在成本上的优势。
It's difficult to find microstructure of material in a sentence. 用microstructure of material造句挺难的