oil quenching

例句：

1. 1. The steel washeated to a high temperature and then quenched in the oil.
   钢被加热到高温，然后浸入油中淬火。
2. 2. The process of quenching iscrucial for the quality of the finished product.
   淬火过程对于成品的质量至关重要。
3. 3. The engineerexplained how to use the oil quenching machine to achieve optimal results.
   工程师解释了如何使用油淬机来获得最佳结果。