This article discusses the relation among the height of catalyst bed -layer,the dissociated height of transporation(TDH),the operation of cyclone separator and the loss of catalyst in the regenerator.是什么意思_This article discusses the relation among the height of catalyst bed -layer,the dissociated height of transporation(TDH),the operation of cyclone separator and the loss of catalyst in the regenerator.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句