cryogenic surface

例句：

1. 1. The cryogenic chamber is used to store liquid helium at extremely low temperatures.
   低温容器用于在极低温度下存储液氦。
2. 2. The researchers found that cryogenic technology could be used to preserve ancient artifacts.
   研究人员发现，低温技术可以用来保存古代文物。
3. 3. The cryogenic process involves freezing the material to be preserved.
   低温处理过程涉及将待保存的材料冻结。