... ) 186kg Working Efficiency(m2/h) 260 1 NJ250 road milling machine usage:To remove the ground coating, paint, a variety ... floor were moderate milling, cleaning, picking operations 2 Features1).With milling depth dial,milling depth can be precisely controlled;2).Drum support bracket ... all kinds of traffic lines and coatings;5.Mildly nap for concrete, asphalt road, epoxy resin, wear-resisting ground; 6 ...