concentration - liquid solution
浓度-液体溶液
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It was found that the permeation flux of sulfur dioxide can be greatly enhanced by the use of optimum kind of membrane solution and liquid concentration.
采用适宜的膜液及膜液浓度可使二氧化硫的渗透通量得到极大的提高。
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