久久精品国产久精国产爱桃色_亚洲精品久黄无码国产a一级毛片区二三_韩国r电影在线观看_人妻被快递员白玩一下午_国产三级成人av_精品一区二区激情在线观看_全免费a级毛片免费看不卡_精品老师爆乳无码av无码专区_国产精品第一页桃色_谁有国产黄色网站

Due to the complexity of the influent water quality and the intractability of the sewage treatment system invested by the Yanggu Second Wastewater Treatment Plant in Shandong Province, the use of a number of ultrafiltration membrane products has caused a large number of problems in the produced water. The latest ultrafiltration membrane product PTFE hollow fiber membrane of the source membrane technology is operated in the MBR system, so that the effluent water quality fully meets the requirements of Party A, and meets the recycling and discharge standards. Yanggu specializes in the following figure. Thank you!

The following picture shows the chief engineer of the net source of the sewage treatment system awarded by the person in charge of Yanggu.