... machine mainly used for wet spraying for roads, railways, mining and tunnel, spraying mixed vegetation for slope of road and railway, grouting ... .3, Compared with rotary pneumatic wet spraying machine, this machine has a smaller size, superior performance, lower ... of applicationsLPS-7 wet mix concrete pumping spraying machine machine data: ParameterUnitData Productivitym3/h7 Max. particle sizemm15 ...