文中介绍了焊工培训、焊接接头坡口形式及焊接工艺。
The paper introduces the welder training, joint design, bevel preparation and welding procedure as well.
主要介绍了手工下向焊工艺及操作技术在焊工培训过程和天然气输气管道施工现场的应用。
This article mainly introduces the application of vertical down welds technique and operation technology in the course of welders' training and in the site of natural gas pipeline.
许多不专业的工人——机床操作员及焊工——很容易再培训后在民用工厂上岗。
And many of the less specialized workers — machine tool operators and welders — were easily retrained to work in civilian plants.
应用推荐