cryogenic metal-working process

例句：

1. 1.The cryogenic process is used to store data in a low-temperature environment.
   低温过程用于在低温环境中存储数据。
2. 2.The cryogenic metal-working process involves the use of liquid nitrogen to cool and harden materials.
   低温金属加工过程涉及使用液态氮来冷却和硬化材料。
3. 3. In cryogenic conditions, the rate of chemical reactions slows down significantly.
   在低温条件下，化学反应的速度显著减慢。