Since hydrogen recovery and oxygen enrichment are industrialized on large scale, a lot of researching work have been done on gas permeation mechanism in membrane.

自从氢气回收和富氧分离大规模工业化以来，人们对气体在膜中的渗透机理进行了大量的研究。

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Since hydrogen recovery and oxygen enrichment are industrialized on large scale, a lot of researching work have been done on gas permeation mechanism in membrane.

自从氢气回收和富氧分离大规模工业化以来，人们对气体在膜中的渗透机理进行了大量的研究。

youdao