Petrochemical wastewater were treated by continuous micro filtration(CMF) and reverse osmose(RO) double membrane technique.
采用连续微滤（CMF）-反渗透（RO）双膜技术深度处理石油化工排放水。
Plasma fractionation membrane is very important in double filtration plasmapheresis.
血浆成分分离膜在双滤法血浆分离中起重要作用。
Plasma fractionation membrane is very important in double filtration plasmapheresis.
血浆成分分离膜在双滤法血浆分离中起重要作用。
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