By pre aeration in tanyard wastewater, the effect of primary settling improves obviously.
制革污水采用预曝气处
，
大大提高初沉池沉淀效果。
By pre aeration in tanyard wastewater, the effect of primary settling improves obviously.
制革污水采用预曝气处，大大提高初沉池沉淀效果。
声明：以上例句、词性分类均由互联网资源自动生成，部分未
工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
