去除内应力，如用冲压、完全或焊接成型的工件。
To remove internal stress such as those produced by drawing, bending, or welding.
锅炉工可能专注于本行业的索具和吊装，准备和布局，或焊接方面。
Boilermakers may specialize in rigging and hoisting, preparation and layout, or welding aspects of the trade.
切割或焊接空容器可能由于残留物质而导致火灾、爆炸或有毒烟雾。
Cutting or welding of empty containers might cause fire, explosion or toxic fumes from residues.
应用推荐