请各位帮忙翻译一下,谢谢!
davidwdb
davidwdb Lv.2
2007年12月06日 10:37:41
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During the concentration experiments after taking away every 500 cm3 permeate theCOD of the concentrate and the permeate weremeasured and the yield was calculated

During the concentration experiments after taking away every 500 cm3 permeate theCOD of the concentrate and the permeate weremeasured and the yield was calculated

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