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farsilence

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sltmac(金币+1): 谢谢交流 2011-10-12 17:08:12
ganguihua1983(金币+4, 翻译EPI+1): 2011-10-13 14:48:15
Nanofiltration membrane is a kind of roll film that is made of organic material by speciall process.When the row material is passing through the membrane, water and monovalence salinity with some other micromolecule material can go through while the macromolecule material is left for the purpose of
concentration of the raw material with the extal pressure condition.
黑涩会||長在河边走!哪有不湿鞋
2楼2011-10-12 15:25:50
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