喜悉《深冷技术》创刊三十周年,首先向杭州制氧机研究所特别是《深冷技术》编辑部的同志们,致以热烈的祝贺和最衷心的感谢!三十年来,《深冷技术》为全国深冷空分、科研生产做出了杰出的贡献,它给我们提供了 We are pleased to learn about the thirtieth anniversary of the publication of “Cryogenics Technology”. First of all, we warmly congratulated and gratitude the comrades of the Hangzhou Oxygen Machine Research Institute, especially the “Cryogenic Technology” editorial department! Cold Technology has made outstanding contributions to the nation’s deep-seated air separation and scientific research and production. It has provided us with