PS: This chapter is a little short. There will be a change later.
Model 120 excavator is not a big deal in modern times. For a slightly larger mine site, the minimum is 250 excavator.
At the time of bangs crossing, our domestic excavators and cranes are no worse than similar foreign models.
Many people in the future said in rhythm on the Internet that we can't create it in this way, and we can't create it in that way.
When the high-speed railway first came out, many people were saying that there were nuts that would never loosen on the high-speed railway. We must import products from small manufacturers, or our high-speed railway will