GYPSUM POWDER MACHINE, LOW COST, EASY OPERATION, LESS MAINTENANCE, ... power frequency50±1HzBuyer should supply power, according to sellers request, to specified points.1.5.2 ... 5~7.5Buyer should supply water, according to sellers request, to specified points1.5.3 Fuel: CoaltypeSoft ... consumption~230kg/hBuyer should supply water, according to sellers request, to specified points2. Process introduction 2.1 ...