The process of vacuum electron beam welding for rear-axle housing semiaxis of coach was introduced and the major problems in the process of welding was analysed.
介绍了用真空电子束焊接大型客车后桥壳半轴的工艺方法，并就焊接过程中存在的主要问题进行了分析。
The success of developing self-automatic welding equipment for coach roof-hood has solved the problem that the production technology of coach roof-hood is backward.
客车顶盖蒙皮自动点焊设备开发的成功，解决了客车顶盖蒙皮生产工艺落后的问题。
The success of developing self-automatic welding equipment for coach roof-hood has solved the problem that the production technology of coach roof-hood is backward.
客车顶盖蒙皮自动点焊设备开发的成功，解决了客车顶盖蒙皮生产工艺落后的问题。
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