quench annealing

例句：

1. 1. In the manufacturing process, quenching annealing is used to quickly cool metal parts after they have been heated.
   在制造过程中，淬火退火用于快速冷却金属部件。
2. 2. The engineer carefully monitored the quenching annealing process to ensure that the material was properly tempered.
   工程师仔细监控淬火退火过程，以确保材料得到适当地热处理。
3. 3. The research team discovered that the proper temperature and time for quenching annealing could significantly improve the mechanical properties of the steel.
   研究团队发现，适当的温度和时间对于淬火退火可以显著提高钢材的机械性能。