热烈祝贺《真空》创刊三十年中国真空学会常务理事中国真空学会真空冶金专业委员会主任东北大学真空工程博士点博士导师杨乃恒《真空》从诞生之日起，至今整整三十年了。随着我们伟大社会主义祖国的繁荣昌盛，《真空》也日益发展壮大。今天的《真空》已成为一种深受欢迎的... Warm congratulations to the “vacuum” founded thirty years China Vacuum Society executive director Vacuum Society of China Vacuum Metallurgical Professional Committee Northeastern University, Dr. vacuum engineering doctoral tutor Yang Naiheng “vacuum” from the date of birth, so a full thirty years. With the prosperity of our great socialist motherland, “vacuum” has also grown in strength. Today’s “vacuum” has become a popular ...