短語詞組短語vortexing flow 渦流Pulsing vortexing magnetic field 脈沖渦流磁場annular vortexing fluidized bed 環(huán)形旋渦流化床vortexing swirl flow style 旋渦式旋流vortexing fluidized bed 旋渦流化床 返回 vortexing