The lightweight of vehicle body is achieved by using nonferrous metal materials such as aluminum alloys, which cannot be welded by traditional welding techniques.
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.
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。
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