engineering alloy造句

例句与造句

1. This lecture continues the discussion of second - phase additions to metals , but focuses on coarser microstructures , starting with a survey of engineering alloy microstructures
   这堂课继续探讨金属中的第二相添加物，著重于较粗糙粗大的微组织，并由工程合金微组织的研究开始。
2. It's difficult to find engineering alloy in a sentence. 用engineering alloy造句挺难的