采用焊接热模拟试验方法研究了2219铝合金双丝焊热影响区的微观结构和力学性能的变化规律。
Microstructure and mechanical properties changing rules of 2219 Al-alloy HAZ (heat-affected zone) with twin wire welding were studied using welding thermal simulation method.
根据热丝tig焊的时序要求，设计了控制系统的软件，重点介绍了主程序和中断服务程序。
The software for control system was designed according to the timing requirement, the main program and the interrupt service program were highlighted.
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