| 1. | Dry powder , granule raw materials which have special requirements to drying . for example : hp vesicant , lees , light calcium carbonate , active white earth , magnetic powder , graphite , medical slag and so on 对有特殊要求的粉状,颗粒状物料的干燥。如: hp发泡剂、酒糟渣、轻质碳酸钙、活性白土、磁粉、石墨、药渣。 |