high tungsten stainless steel高钨不锈钢
tungsten chrome steel钨铬钢
tungsten n steel钨钢
tungsten bearing steel detail含钨钢
tungsten bearing steel含钨钢
tungsten magnet steel钨磁钢
tungsten magnet steel detail钨磁钢
tungsten n steel saw blade钨钢锯片
import tungsten steel高耐磨硬质钨钢
N（名词） any of various hard steels containing tungsten (1–20 per cent) and traces of carbon. They are resistant to wear at high temperatures and are used in tools 钨钢