The next day, Yan Jiecheng inspected the R&D base of track detection vehicle and rail flaw detection vehicle of the High Speed Railway Research Institute.
As Zhang Baocheng said, two models of rail operation vehicles are being tested in full swing.
The performance is extremely stable, which Yan Jiecheng thinks is far ahead.
Yan Jiecheng was extremely satisfied with the work of the High Speed Railway Research Institute. After all, my old unit has been away for less than half a year, and most of them are my own.
Yan Jiecheng is just a little dissatisfied with the appearance design of these vehicles.
To be honest, domestic workers