英语词典
Through analysis and rebuild of disposal technology and facility of original effluent disposal of paper enterprise, float time-lag aeration active sludge technique is applied in paper manufacture wastewater.
对造纸企业原有废水处理工艺及处理设施进行分析和改造,采用浮动延时曝气活性污泥工艺处理造纸废水。
互联网摘选
theory and design of float gauge for measuring the amount of sewage sludge
泥量测量尺的原理及设计
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