tungsten-cohalt alloy

例句：

1. 1. This alloy is usedin the production of high-performanceengines.
   这种合金用于生产高性能发动机。
2. 2. The alloy has excellent wear resistance and corrosion resistance.
   这种合金具有极好的耐磨性和耐腐蚀性。
3. 3. The alloy is widely used inaerospace engineering due to its highstrength and ductility.
   由于其高强度和良好的延展性，这种合金在航空航天工程中被广泛使用。