焊工操作焊接设备焊接亚铁金属和有色金属。
Welders operate welding equipment to weld ferrous and non-ferrous metals.
汽车车身轻量化主要措施是在车身制造中大量使铝合金等有色金属，传统的焊接工艺对于这些材料间的连接是无能为力的。
The lightweight of vehicle body is achieved by using nonferrous metal materials such as aluminum alloys, which cannot be welded by traditional welding techniques.
因此这种电源很适合于黑色及有色金属的薄壁结构件焊接。
Therefore, it is very suitable for welding the thin-wall construction of ferrous and nonferrous metals.
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