国产自产在线最新_韩国黄色视频全部免费_国内网友露脸自拍_国产一区二区的精品

NH150 double-taper grinding wheel counter-flow mixer, using two tapered rollers to grind and mix the abrasive, supplemented by mixing fork and scraper, effectively eliminating the heat of material during rolling, suitable for fine material mixing, efficiency High, can be turned over, and  easy to discharge and clean.