噪音-功率联合控制系统在RKD420/650磨煤机料位控制中的应用
조음-공솔연합공제계통재RKD420/650마매궤료위공제중적응용
APPLICATION OF COMBINED NOISE-POWER CONTROL SYSTEM IN MATERIAL LEVEL CONTROL FOR RKD 420/650 COAL PULVERIZER