After a month's first-class study of rail flaw detection, I obtained the first-class qualification certificate of rail flaw detection, and then went down to the scene to learn from the masters. At the beginning, it was very difficult to detect the rail car, and it always fell off the rail. I admire the skilled operation of the old masters. After a period of practice, I can finally successfully realize the rail inspection car. More large international tracks. Goforrail.com/know/show-129.html Experience a day's work of rail flaw detector.
Because of its inherent particularity, service industry is divided into off-season and peak season due to the influence of seasons a