cobalt-nickel

例句：

1. 1. This alloy is usedin the production of high-performance engines.
   这种合金用于高性能发动机的生产。
2. 2. The cobalt-nickel alloy hasexcellent wear resistance and corrosion resistance.
   钴镍合金具有极好的耐磨性和耐腐蚀性。
3. 3. Cobalt-nickel alloys are often used as bearing materialsdue to their high strength and hardness.
   由于其高强度和硬度，钴镍合金常被用作轴承材料。