The invention relates to a Cu-Al pipe welding joint, a preparation method and a special core rod thereof.
2
针对薄铝管焊接过程中容易出现的问题提出了可行的解决方法。
A practicable method was put forward to solve the possible problems in course of welding.
3
铜铝管焊接的关键是对焊接参数的控制，原控制系统采用时间继电器控制焊接参数。
The key of Cu-Al pipe butt welding is to control the welding parameters. In the original control system, all welding parameters were controlled by time-relays.
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