Резиновый растворный насос
As a merit in the mining of rock, the drilling rig has to be mentioned. In addition, the drilling rig can also be used as a breaker to break up hard layers such as concrete. According to its power source, the rock drill can be divided into four categories: pneumatic rock drill, internal combustion rock drill, electric rock drill and digging and changing drill.
4, the selection of rolling drag plate, the track is not easy to wear.
4, the selection of rolling drag plate, the track is not easy to wear.