hot-oil quenching

例句：

1. 1. The process of hot-oil quenching is crucial for the strength and durability of the steel.
   热油淬火过程对于钢铁的强度和耐用性至关重要。
2. 2.In hot-oil quenching, the steel is quickly heated to a high temperature and then quenched in oil to prevent it from cooling too quickly.
   在热油淬火过程中，钢材会被快速加热到高温，然后迅速浸入油中以阻止其冷却过快。
3. 3. Hot-oil quenching is used to improve the hardness and wear resistance of metals and alloys.
   热油淬火被用于提高金属和合金的硬度和耐磨性。