近二十年来,焊接发展有两个突出的方面,第一是焊接结构的应用范围和数量急速扩大,它已成为衡量一个国家工业化程度的标志之一;第二是焊接技术本身有了很大的提高和深化,它吸收了现代科学的新成果,正在革新和发展着先进的工艺方法。本文仅就这两个方面作一简单介 The past two decades, the development of welding has two outstanding aspects, the first is the rapid expansion of the scope of the application of welded structures and it has become a measure of the degree of industrialization of a country one of the signs; the second is the welding technology itself has a large It has absorbed the new achievements of modern science and is reforming and developing advanced techniques and methods. This article only makes a brief introduction on these two aspects