1998年是中国机械工程学会无损检测分会成立20周年.在老一辈无损检测专家、学者和全国无损检测专业技术人员艰苦创业、共同努力、积极贡献及各级领导关心支持下,我国的无损检测事业在国民经济建设中发挥越来越重要的作用,取得了巨大的进步.值此学会成立20周年之际,我谨代表学会向长期工作在无损检测岗位上的全体工作者表示衷心的感谢,并致以崇高的敬意. 1998 is the 20th anniversary of the Nondestructive Testing Subcommittee of China Mechanical Engineering Society. In the nondestructive testing of the older generation of experts, scholars and national nondestructive testing professionals and technicians arduous pioneering, joint efforts, positive contributions and leadership support at all levels, our nondestructive testing On the 20th anniversary of the establishment of this society, on behalf of the Institute, I would like to express my heart-felt gratitude to all the workers who have worked in non-destructive testing for a long time, and have made tremendous progress in their undertaking of the national economy. And pay high tribute.