论文部分内容阅读
介绍了网架工程中三种规格管件的15.5万个焊口的CO_2焊接工艺,给出了接头的坡口形式及焊接工艺参数。
The CO_2 welding process of 155,000 welding ports for three kinds of pipe fittings in the grid project is introduced. The groove forms and welding process parameters of the joints are given.