“微合金”用英语怎么说

讨论了用钒钛微合金化研制成的高抗震性能结构钢在抗震设计中的应用前景.Prospect of application of the high earthquake resistant steel containing micro vanadium - titanium in - seismic design is discussed.讨论铬微合金化对大规格高碳钢线材质量的影响.The influence of Cr microalloyi...