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backward process 相反的程序。

backwardation

In view of the problems of the underground water pollution caused by the direct discharge of the original dust removing water of converter that had poor quality and the old and backward processing facility of converter slime which had poor processing results , a series of measures such as using box filters have been taken so as to fully recycle the dust removing water of converter and recover the slime . as a result , the water is saved and the pollution eliminated , which has brought remarkable social and economical benefits 針對原轉爐除塵污水水質較差,直接外排對地下水造成污染;轉爐污泥處理設施陳舊落后,處理效果差等問題,采用廂式過濾機處理等一系列措施,使轉爐除塵污水全部循環,污泥全部回收,既節約用水,消除污染,又收到明顯的經濟和社會環境效益。

The counteract of the slow process of urbanization and the backward process of the social - economy as the common characteristic in the present development of the southwest national area 摘要城鎮化進程緩慢與社會經濟發展滯后問題相交錯,是西南民族地區目前發展的共有特征。