常見(jiàn)例句雙語(yǔ)例句The structured packing for the separation process of oil and water in the manufacturing of hydrogen peroxide is introduced.介紹規(guī)整填料用于過(guò)氧化氫生產(chǎn)中的油水分離過(guò)程。Recovery of hydrogen from dry gas which comes from catalytic cracking of heavy oil by the membrane separation has low prime cost and reasonable utilization of energy.采用膜分離技術(shù)從重油催化裂化干氣中回收氫氣，制氫成本低，能源利用合理； 返回 oil hydrogen separation