该产品图片是产品膨胀前后对比。
The pictures hereinafter are the contrast before and after inflate.
对照组治疗前后对比无显著性差异。
Compared with before treatment, control group were insignificant differences.
介绍了高浓度污水处理的工艺改型及运行效果的前后对比。
Introduce the process remodel of high concentration sewage treatment and the caparation of the efficiency.
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