At the same time, the PAC layer can also filter the microorganisms and colloids to cut down the amount land…

膜表面形成的PAC层还可过滤微生物和胶体颗粒，减少了它们到达膜表面的数量。

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At the same time, the PAC layer can also filter the microorganisms and colloids to cut down the amount land…

膜表面形成的PAC层还可过滤微生物和胶体颗粒，减少了它们到达膜表面的数量。

youdao