国内精品自产拍不卡在线观看,337p欧美日本久久久,欧美精品偷自拍另类在线观看,亚洲 本道 在线无码av,日韩中文在线中文网三级,亚洲鲁丝片一区二区

Under the driving force of the active shaft, the loaded cylinder undergoes cyclic compound movements such as translation, rotation, and rolling, promoting the material to move in three directions along the cylinder, thereby achieving the mutual flow, diffusion, accumulation, and doping of various materials, and achieving the goal of uniform mixing. Used for high uniformity mixing of powder and granular materials in pharmaceutical, chemical, food, light industry, electronics, machinery, mining, national defense industry, and various scientific research institutions.