n.微合金...

The V - N microalloy steel with yield strength of 550 MPa is produced by EAF - CSP route.目前,在EAF-CSP 流程中通过V -N 微合金化技术可成功生产屈服强度为550MPa的高强度低合金钢....

microalloy的音标：microalloy的英式发音音标为：[maɪk'rəʊlɔɪ]microalloy的美式发音音标为：[maɪk'roʊlɔɪ]...