... ) 260 1 NJ250 road milling machine usage:To remove the ground coating, paint, a variety of road marking; on the highway, high ... high speed railway bridge waterproof layer;4.Wipe out the ground coating, paint, all kinds of traffic lines and coatings;5.Mildly ... , asphalt road, epoxy resin, wear-resisting ground; 6.Remove the old floor surface when the ground is damaged and need renovation small ...