短语词组短語vortexing flow 渦流Pulsing vortexing magnetic field 脈沖渦流磁場annular vortexing fluidized bed 環形鏇渦流化牀vortexing swirl flow style 鏇渦式鏇流vortexing fluidized bed 鏇渦流化牀 返回 vortexing