self-shielded welding wire

• 自保护焊丝

self-shielded welding wire的用法和样例：

例句

1. Plus, our carbon dioxide shielded wire, cold heading steel wire, special-shaped steel wire and bearing steel wire have been highly praised by many large enterprises.
   二氧化碳气体保护焊丝，冷顶锻用钢丝，异型钢丝，轴承钢丝等产品受到众多大型企业的青睐和推崇。