quenching strain

例句：

1. 1. The steel undergoes quenching to reduce its hardness and improve its ductility.
   钢材通过淬火来降低硬度并提高其韧性。
2. 2. During the quenching process, the temperature of the steel drops rapidly.
   在淬火过程中，钢材的温度迅速下降。
3. 3. Quenching is an essential step in the manufacturing process of many metals and alloys.
   淬火是许多金属和合金制造过程中的一个关键步骤。