"The headquarters is ready to experiment with the jointless track. I know you have a lot of ideas. This time, you should take the initiative to sort out your ideas and give them to me.
If you do this well, you can take whatever tea I have. "
Yan Jiecheng laughed and said, "Old Luo, I'm not polite. I must empty it for you."
Yan Jiecheng was thinking about jointless track.
Literally speaking, it is the line without seam. In a professional way, it is the line with standard length rails welded or glued to long rails.
General railway lines are connected by rails one by one